Home / 1,332,425.70-1,998,638.55-907,272.90

Finding the Fourth Proportional to 1,332,425.70, 1,998,638.55 and 907,272.90

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Solution

The fourth proportional to 1,332,425.70, 1,998,638.55 and 907,272.90 is: 1,360,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,425.70 : 1,998,638.55 = 907,272.90 : x
  2. Step 2: Convert to fraction form
    1,332,425.70/1,998,638.55 = 907,272.90/x
  3. Step 3: Cross multiply
    1,332,425.70x = 1,998,638.55 × 907,272.90
  4. Step 4: Simplify right side
    1,332,425.70x = 1,813,310,593,310.30
  5. Step 5: Solve for x
    x = 1,813,310,593,310.30/1,332,425.70
  6. Step 6: Final answer
    x = 1,360,909.35

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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.