Home / 1,324,408.20-1,986,612.30-327,136.20

Finding the Fourth Proportional to 1,324,408.20, 1,986,612.30 and 327,136.20

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Solution

The fourth proportional to 1,324,408.20, 1,986,612.30 and 327,136.20 is: 490,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,408.20 : 1,986,612.30 = 327,136.20 : x
  2. Step 2: Convert to fraction form
    1,324,408.20/1,986,612.30 = 327,136.20/x
  3. Step 3: Cross multiply
    1,324,408.20x = 1,986,612.30 × 327,136.20
  4. Step 4: Simplify right side
    1,324,408.20x = 649,892,798,695.26
  5. Step 5: Solve for x
    x = 649,892,798,695.26/1,324,408.20
  6. Step 6: Final answer
    x = 490,704.30

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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.