Home / 1,324,901.10-1,987,351.65-483,780.90

Finding the Fourth Proportional to 1,324,901.10, 1,987,351.65 and 483,780.90

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Solution

The fourth proportional to 1,324,901.10, 1,987,351.65 and 483,780.90 is: 725,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,901.10 : 1,987,351.65 = 483,780.90 : x
  2. Step 2: Convert to fraction form
    1,324,901.10/1,987,351.65 = 483,780.90/x
  3. Step 3: Cross multiply
    1,324,901.10x = 1,987,351.65 × 483,780.90
  4. Step 4: Simplify right side
    1,324,901.10x = 961,442,769,853.49
  5. Step 5: Solve for x
    x = 961,442,769,853.49/1,324,901.10
  6. Step 6: Final answer
    x = 725,671.35

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Double scale
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Similar ratio
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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.