Home / 1,279,123.76-1,765,190.76-706,165.04

Finding the Fourth Proportional to 1,279,123.76, 1,765,190.76 and 706,165.04

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Solution

The fourth proportional to 1,279,123.76, 1,765,190.76 and 706,165.04 is: 974,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,123.76 : 1,765,190.76 = 706,165.04 : x
  2. Step 2: Convert to fraction form
    1,279,123.76/1,765,190.76 = 706,165.04/x
  3. Step 3: Cross multiply
    1,279,123.76x = 1,765,190.76 × 706,165.04
  4. Step 4: Simplify right side
    1,279,123.76x = 1,246,516,003,643.03
  5. Step 5: Solve for x
    x = 1,246,516,003,643.03/1,279,123.76
  6. Step 6: Final answer
    x = 974,507.74

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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.