Home / 1,279,092.90-1,765,101.90-706,120.80

Finding the Fourth Proportional to 1,279,092.90, 1,765,101.90 and 706,120.80

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Solution

The fourth proportional to 1,279,092.90, 1,765,101.90 and 706,120.80 is: 974,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,092.90 : 1,765,101.90 = 706,120.80 : x
  2. Step 2: Convert to fraction form
    1,279,092.90/1,765,101.90 = 706,120.80/x
  3. Step 3: Cross multiply
    1,279,092.90x = 1,765,101.90 × 706,120.80
  4. Step 4: Simplify right side
    1,279,092.90x = 1,246,375,165,709.52
  5. Step 5: Solve for x
    x = 1,246,375,165,709.52/1,279,092.90
  6. Step 6: Final answer
    x = 974,421.14

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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.