Home / 981,063.38-1,471,591.78-251,585.79

Finding the Fourth Proportional to 981,063.38, 1,471,591.78 and 251,585.79

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Solution

The fourth proportional to 981,063.38, 1,471,591.78 and 251,585.79 is: 377,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,063.38 : 1,471,591.78 = 251,585.79 : x
  2. Step 2: Convert to fraction form
    981,063.38/1,471,591.78 = 251,585.79/x
  3. Step 3: Cross multiply
    981,063.38x = 1,471,591.78 × 251,585.79
  4. Step 4: Simplify right side
    981,063.38x = 370,231,579,899.84
  5. Step 5: Solve for x
    x = 370,231,579,899.84/981,063.38
  6. Step 6: Final answer
    x = 377,377.84

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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.