Home / 981,096.60-1,468,145.70-680,165.40

Finding the Fourth Proportional to 981,096.60, 1,468,145.70 and 680,165.40

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Solution

The fourth proportional to 981,096.60, 1,468,145.70 and 680,165.40 is: 1,017,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,096.60 : 1,468,145.70 = 680,165.40 : x
  2. Step 2: Convert to fraction form
    981,096.60/1,468,145.70 = 680,165.40/x
  3. Step 3: Cross multiply
    981,096.60x = 1,468,145.70 × 680,165.40
  4. Step 4: Simplify right side
    981,096.60x = 998,581,907,298.78
  5. Step 5: Solve for x
    x = 998,581,907,298.78/981,096.60
  6. Step 6: Final answer
    x = 1,017,822.21

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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.