Home / 1,332,236.20-1,998,645.90-658,640.20

Finding the Fourth Proportional to 1,332,236.20, 1,998,645.90 and 658,640.20

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Solution

The fourth proportional to 1,332,236.20, 1,998,645.90 and 658,640.20 is: 988,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,236.20 : 1,998,645.90 = 658,640.20 : x
  2. Step 2: Convert to fraction form
    1,332,236.20/1,998,645.90 = 658,640.20/x
  3. Step 3: Cross multiply
    1,332,236.20x = 1,998,645.90 × 658,640.20
  4. Step 4: Simplify right side
    1,332,236.20x = 1,316,388,535,305.18
  5. Step 5: Solve for x
    x = 1,316,388,535,305.18/1,332,236.20
  6. Step 6: Final answer
    x = 988,104.46

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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.