Finding the Fourth Proportional to 1,058,691.60, 1,587,144.68 and 459,201.29
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Solution
The fourth proportional to 1,058,691.60, 1,587,144.68 and 459,201.29 is: 688,414.71
Step by Step Solution
- Step 1: Write the proportion equation
1,058,691.60 : 1,587,144.68 = 459,201.29 : x - Step 2: Convert to fraction form
1,058,691.60/1,587,144.68 = 459,201.29/x - Step 3: Cross multiply
1,058,691.60x = 1,587,144.68 × 459,201.29 - Step 4: Simplify right side
1,058,691.60x = 728,818,875,962.91 - Step 5: Solve for x
x = 728,818,875,962.91/1,058,691.60 - Step 6: Final answer
x = 688,414.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.