Home / 1,440,997.20-2,161,539.72-494,354.52

Finding the Fourth Proportional to 1,440,997.20, 2,161,539.72 and 494,354.52

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Solution

The fourth proportional to 1,440,997.20, 2,161,539.72 and 494,354.52 is: 741,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,997.20 : 2,161,539.72 = 494,354.52 : x
  2. Step 2: Convert to fraction form
    1,440,997.20/2,161,539.72 = 494,354.52/x
  3. Step 3: Cross multiply
    1,440,997.20x = 2,161,539.72 × 494,354.52
  4. Step 4: Simplify right side
    1,440,997.20x = 1,068,566,930,741.53
  5. Step 5: Solve for x
    x = 1,068,566,930,741.53/1,440,997.20
  6. Step 6: Final answer
    x = 741,546.85

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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.