Home / 1,279,882.66-1,919,474.04-481,102.78

Finding the Fourth Proportional to 1,279,882.66, 1,919,474.04 and 481,102.78

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Solution

The fourth proportional to 1,279,882.66, 1,919,474.04 and 481,102.78 is: 721,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,882.66 : 1,919,474.04 = 481,102.78 : x
  2. Step 2: Convert to fraction form
    1,279,882.66/1,919,474.04 = 481,102.78/x
  3. Step 3: Cross multiply
    1,279,882.66x = 1,919,474.04 × 481,102.78
  4. Step 4: Simplify right side
    1,279,882.66x = 923,464,296,781.83
  5. Step 5: Solve for x
    x = 923,464,296,781.83/1,279,882.66
  6. Step 6: Final answer
    x = 721,522.63

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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.