Finding the Fourth Proportional to 1,375,126.10, 1,897,644.62 and 763,243.19
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Solution
The fourth proportional to 1,375,126.10, 1,897,644.62 and 763,243.19 is: 1,053,259.28
Step by Step Solution
- Step 1: Write the proportion equation
1,375,126.10 : 1,897,644.62 = 763,243.19 : x - Step 2: Convert to fraction form
1,375,126.10/1,897,644.62 = 763,243.19/x - Step 3: Cross multiply
1,375,126.10x = 1,897,644.62 × 763,243.19 - Step 4: Simplify right side
1,375,126.10x = 1,448,364,329,438.92 - Step 5: Solve for x
x = 1,448,364,329,438.92/1,375,126.10 - Step 6: Final answer
x = 1,053,259.28
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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.