Home / 1,001,251.20-1,502,040.60-327,136.80

Finding the Fourth Proportional to 1,001,251.20, 1,502,040.60 and 327,136.80

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Solution

The fourth proportional to 1,001,251.20, 1,502,040.60 and 327,136.80 is: 490,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,251.20 : 1,502,040.60 = 327,136.80 : x
  2. Step 2: Convert to fraction form
    1,001,251.20/1,502,040.60 = 327,136.80/x
  3. Step 3: Cross multiply
    1,001,251.20x = 1,502,040.60 × 327,136.80
  4. Step 4: Simplify right side
    1,001,251.20x = 491,372,755,354.08
  5. Step 5: Solve for x
    x = 491,372,755,354.08/1,001,251.20
  6. Step 6: Final answer
    x = 490,758.72

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1.5x scale

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.