Finding the Fourth Proportional to 1,350,472.71, 1,863,445.28 and 777,402.12
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Solution
The fourth proportional to 1,350,472.71, 1,863,445.28 and 777,402.12 is: 1,072,695.73
Step by Step Solution
- Step 1: Write the proportion equation
1,350,472.71 : 1,863,445.28 = 777,402.12 : x - Step 2: Convert to fraction form
1,350,472.71/1,863,445.28 = 777,402.12/x - Step 3: Cross multiply
1,350,472.71x = 1,863,445.28 × 777,402.12 - Step 4: Simplify right side
1,350,472.71x = 1,448,646,307,288.98 - Step 5: Solve for x
x = 1,448,646,307,288.98/1,350,472.71 - Step 6: Final answer
x = 1,072,695.73
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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.