Home / 981,200.40-1,473,874.20-945,949.20

Finding the Fourth Proportional to 981,200.40, 1,473,874.20 and 945,949.20

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Solution

The fourth proportional to 981,200.40, 1,473,874.20 and 945,949.20 is: 1,420,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,200.40 : 1,473,874.20 = 945,949.20 : x
  2. Step 2: Convert to fraction form
    981,200.40/1,473,874.20 = 945,949.20/x
  3. Step 3: Cross multiply
    981,200.40x = 1,473,874.20 × 945,949.20
  4. Step 4: Simplify right side
    981,200.40x = 1,394,210,120,390.64
  5. Step 5: Solve for x
    x = 1,394,210,120,390.64/981,200.40
  6. Step 6: Final answer
    x = 1,420,922.90

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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.