Finding the Fourth Proportional to 1,370,177.10, 1,890,805.28 and 758,354.94
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Solution
The fourth proportional to 1,370,177.10, 1,890,805.28 and 758,354.94 is: 1,046,508.16
Step by Step Solution
- Step 1: Write the proportion equation
1,370,177.10 : 1,890,805.28 = 758,354.94 : x - Step 2: Convert to fraction form
1,370,177.10/1,890,805.28 = 758,354.94/x - Step 3: Cross multiply
1,370,177.10x = 1,890,805.28 × 758,354.94 - Step 4: Simplify right side
1,370,177.10x = 1,433,901,520,874.31 - Step 5: Solve for x
x = 1,433,901,520,874.31/1,370,177.10 - Step 6: Final answer
x = 1,046,508.16
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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.