Home / 981,186.60-1,468,280.70-680,255.40

Finding the Fourth Proportional to 981,186.60, 1,468,280.70 and 680,255.40

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Solution

The fourth proportional to 981,186.60, 1,468,280.70 and 680,255.40 is: 1,017,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,186.60 : 1,468,280.70 = 680,255.40 : x
  2. Step 2: Convert to fraction form
    981,186.60/1,468,280.70 = 680,255.40/x
  3. Step 3: Cross multiply
    981,186.60x = 1,468,280.70 × 680,255.40
  4. Step 4: Simplify right side
    981,186.60x = 998,805,874,890.78
  5. Step 5: Solve for x
    x = 998,805,874,890.78/981,186.60
  6. Step 6: Final answer
    x = 1,017,957.11

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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.