Finding the Fourth Proportional to 1,001,570.18, 1,382,168.24 and 542,689.74
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Solution
The fourth proportional to 1,001,570.18, 1,382,168.24 and 542,689.74 is: 748,912.60
Step by Step Solution
- Step 1: Write the proportion equation
1,001,570.18 : 1,382,168.24 = 542,689.74 : x - Step 2: Convert to fraction form
1,001,570.18/1,382,168.24 = 542,689.74/x - Step 3: Cross multiply
1,001,570.18x = 1,382,168.24 × 542,689.74 - Step 4: Simplify right side
1,001,570.18x = 750,088,520,088.41 - Step 5: Solve for x
x = 750,088,520,088.41/1,001,570.18 - Step 6: Final answer
x = 748,912.60
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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.