Home / 1,279,423.20-1,765,592.64-706,451.04

Finding the Fourth Proportional to 1,279,423.20, 1,765,592.64 and 706,451.04

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Solution

The fourth proportional to 1,279,423.20, 1,765,592.64 and 706,451.04 is: 974,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,423.20 : 1,765,592.64 = 706,451.04 : x
  2. Step 2: Convert to fraction form
    1,279,423.20/1,765,592.64 = 706,451.04/x
  3. Step 3: Cross multiply
    1,279,423.20x = 1,765,592.64 × 706,451.04
  4. Step 4: Simplify right side
    1,279,423.20x = 1,247,304,756,744.35
  5. Step 5: Solve for x
    x = 1,247,304,756,744.35/1,279,423.20
  6. Step 6: Final answer
    x = 974,896.15

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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.