Home / 1,489,558.20-2,234,115.90-542,708.16

Finding the Fourth Proportional to 1,489,558.20, 2,234,115.90 and 542,708.16

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Solution

The fourth proportional to 1,489,558.20, 2,234,115.90 and 542,708.16 is: 813,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,558.20 : 2,234,115.90 = 542,708.16 : x
  2. Step 2: Convert to fraction form
    1,489,558.20/2,234,115.90 = 542,708.16/x
  3. Step 3: Cross multiply
    1,489,558.20x = 2,234,115.90 × 542,708.16
  4. Step 4: Simplify right side
    1,489,558.20x = 1,212,472,929,315.74
  5. Step 5: Solve for x
    x = 1,212,472,929,315.74/1,489,558.20
  6. Step 6: Final answer
    x = 813,981.57

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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.