Finding the Fourth Proportional to 1,175,575.92, 1,622,472 and 716,956.68
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Solution
The fourth proportional to 1,175,575.92, 1,622,472 and 716,956.68 is: 989,508.31
Step by Step Solution
- Step 1: Write the proportion equation
1,175,575.92 : 1,622,472 = 716,956.68 : x - Step 2: Convert to fraction form
1,175,575.92/1,622,472 = 716,956.68/x - Step 3: Cross multiply
1,175,575.92x = 1,622,472 × 716,956.68 - Step 4: Simplify right side
1,175,575.92x = 1,163,242,138,512.96 - Step 5: Solve for x
x = 1,163,242,138,512.96/1,175,575.92 - Step 6: Final answer
x = 989,508.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.