Home / 981,371.58-1,469,695.33-664,868.94

Finding the Fourth Proportional to 981,371.58, 1,469,695.33 and 664,868.94

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Solution

The fourth proportional to 981,371.58, 1,469,695.33 and 664,868.94 is: 995,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,371.58 : 1,469,695.33 = 664,868.94 : x
  2. Step 2: Convert to fraction form
    981,371.58/1,469,695.33 = 664,868.94/x
  3. Step 3: Cross multiply
    981,371.58x = 1,469,695.33 × 664,868.94
  4. Step 4: Simplify right side
    981,371.58x = 977,154,776,180.05
  5. Step 5: Solve for x
    x = 977,154,776,180.05/981,371.58
  6. Step 6: Final answer
    x = 995,703.15

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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.