Home / 1,356,997.12-1,872,996.48-784,369.92

Finding the Fourth Proportional to 1,356,997.12, 1,872,996.48 and 784,369.92

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Solution

The fourth proportional to 1,356,997.12, 1,872,996.48 and 784,369.92 is: 1,082,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,997.12 : 1,872,996.48 = 784,369.92 : x
  2. Step 2: Convert to fraction form
    1,356,997.12/1,872,996.48 = 784,369.92/x
  3. Step 3: Cross multiply
    1,356,997.12x = 1,872,996.48 × 784,369.92
  4. Step 4: Simplify right side
    1,356,997.12x = 1,469,122,099,177.88
  5. Step 5: Solve for x
    x = 1,469,122,099,177.88/1,356,997.12
  6. Step 6: Final answer
    x = 1,082,627.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.