Finding the Fourth Proportional to 1,375,344.12, 1,897,944.84 and 763,461.12
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Solution
The fourth proportional to 1,375,344.12, 1,897,944.84 and 763,461.12 is: 1,053,559.67
Step by Step Solution
- Step 1: Write the proportion equation
1,375,344.12 : 1,897,944.84 = 763,461.12 : x - Step 2: Convert to fraction form
1,375,344.12/1,897,944.84 = 763,461.12/x - Step 3: Cross multiply
1,375,344.12x = 1,897,944.84 × 763,461.12 - Step 4: Simplify right side
1,375,344.12x = 1,449,007,093,244.62 - Step 5: Solve for x
x = 1,449,007,093,244.62/1,375,344.12 - Step 6: Final answer
x = 1,053,559.67
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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.