Finding the Fourth Proportional to 1,000,929.92, 1,381,284.04 and 542,048.08
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Solution
The fourth proportional to 1,000,929.92, 1,381,284.04 and 542,048.08 is: 748,026.76
Step by Step Solution
- Step 1: Write the proportion equation
1,000,929.92 : 1,381,284.04 = 542,048.08 : x - Step 2: Convert to fraction form
1,000,929.92/1,381,284.04 = 542,048.08/x - Step 3: Cross multiply
1,000,929.92x = 1,381,284.04 × 542,048.08 - Step 4: Simplify right side
1,000,929.92x = 748,722,361,816.64 - Step 5: Solve for x
x = 748,722,361,816.64/1,000,929.92 - Step 6: Final answer
x = 748,026.76
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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.