Home / 1,279,080.88-1,765,085.36-706,108.76

Finding the Fourth Proportional to 1,279,080.88, 1,765,085.36 and 706,108.76

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Solution

The fourth proportional to 1,279,080.88, 1,765,085.36 and 706,108.76 is: 974,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,080.88 : 1,765,085.36 = 706,108.76 : x
  2. Step 2: Convert to fraction form
    1,279,080.88/1,765,085.36 = 706,108.76/x
  3. Step 3: Cross multiply
    1,279,080.88x = 1,765,085.36 × 706,108.76
  4. Step 4: Simplify right side
    1,279,080.88x = 1,246,342,234,843.75
  5. Step 5: Solve for x
    x = 1,246,342,234,843.75/1,279,080.88
  6. Step 6: Final answer
    x = 974,404.55

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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.