Finding the Fourth Proportional to 1,101,901.55, 1,652,278.84 and 391,826.39
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Solution
The fourth proportional to 1,101,901.55, 1,652,278.84 and 391,826.39 is: 587,535.65
Step by Step Solution
- Step 1: Write the proportion equation
1,101,901.55 : 1,652,278.84 = 391,826.39 : x - Step 2: Convert to fraction form
1,101,901.55/1,652,278.84 = 391,826.39/x - Step 3: Cross multiply
1,101,901.55x = 1,652,278.84 × 391,826.39 - Step 4: Simplify right side
1,101,901.55x = 647,406,442,930.06 - Step 5: Solve for x
x = 647,406,442,930.06/1,101,901.55 - Step 6: Final answer
x = 587,535.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.