Two projectiles are thrown with same initial velocity making an angle of $45^{\circ}$ and $30^{\circ}$ with the horizontal respectively. The ratio of their respective ranges will be\\
(1) $1 : \sqrt { 2 }$\\
(2) $\sqrt { 2 } : 1$\\
(3) $2 : \sqrt { 3 }$\\
(4) $\sqrt { 3 } : 2$