Finding the Fourth Proportional to 1,248,473.76, 1,722,432.86 and 819,337.02
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Solution
The fourth proportional to 1,248,473.76, 1,722,432.86 and 819,337.02 is: 1,130,382.59
Step by Step Solution
- Step 1: Write the proportion equation
1,248,473.76 : 1,722,432.86 = 819,337.02 : x - Step 2: Convert to fraction form
1,248,473.76/1,722,432.86 = 819,337.02/x - Step 3: Cross multiply
1,248,473.76x = 1,722,432.86 × 819,337.02 - Step 4: Simplify right side
1,248,473.76x = 1,411,253,006,662.48 - Step 5: Solve for x
x = 1,411,253,006,662.48/1,248,473.76 - Step 6: Final answer
x = 1,130,382.59
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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.