Finding the Fourth Proportional to 1,488,734.52, 2,054,414.70 and 868,658.28
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Solution
The fourth proportional to 1,488,734.52, 2,054,414.70 and 868,658.28 is: 1,198,725.71
Step by Step Solution
- Step 1: Write the proportion equation
1,488,734.52 : 2,054,414.70 = 868,658.28 : x - Step 2: Convert to fraction form
1,488,734.52/2,054,414.70 = 868,658.28/x - Step 3: Cross multiply
1,488,734.52x = 2,054,414.70 × 868,658.28 - Step 4: Simplify right side
1,488,734.52x = 1,784,584,339,708.72 - Step 5: Solve for x
x = 1,784,584,339,708.72/1,488,734.52 - Step 6: Final answer
x = 1,198,725.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.