Finding the Fourth Proportional to 1,000,916.91, 1,381,266.05 and 542,035.08
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Solution
The fourth proportional to 1,000,916.91, 1,381,266.05 and 542,035.08 is: 748,008.79
Step by Step Solution
- Step 1: Write the proportion equation
1,000,916.91 : 1,381,266.05 = 542,035.08 : x - Step 2: Convert to fraction form
1,000,916.91/1,381,266.05 = 542,035.08/x - Step 3: Cross multiply
1,000,916.91x = 1,381,266.05 × 542,035.08 - Step 4: Simplify right side
1,000,916.91x = 748,694,651,202.86 - Step 5: Solve for x
x = 748,694,651,202.86/1,000,916.91 - Step 6: Final answer
x = 748,008.79
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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.