Home / 1,115,306.64-1,672,019.28-483,744.78

Finding the Fourth Proportional to 1,115,306.64, 1,672,019.28 and 483,744.78

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Solution

The fourth proportional to 1,115,306.64, 1,672,019.28 and 483,744.78 is: 725,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,306.64 : 1,672,019.28 = 483,744.78 : x
  2. Step 2: Convert to fraction form
    1,115,306.64/1,672,019.28 = 483,744.78/x
  3. Step 3: Cross multiply
    1,115,306.64x = 1,672,019.28 × 483,744.78
  4. Step 4: Simplify right side
    1,115,306.64x = 808,830,598,759.36
  5. Step 5: Solve for x
    x = 808,830,598,759.36/1,115,306.64
  6. Step 6: Final answer
    x = 725,209.17

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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.