Home / 1,279,961.56-1,766,313.12-706,989.43

Finding the Fourth Proportional to 1,279,961.56, 1,766,313.12 and 706,989.43

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Solution

The fourth proportional to 1,279,961.56, 1,766,313.12 and 706,989.43 is: 975,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,961.56 : 1,766,313.12 = 706,989.43 : x
  2. Step 2: Convert to fraction form
    1,279,961.56/1,766,313.12 = 706,989.43/x
  3. Step 3: Cross multiply
    1,279,961.56x = 1,766,313.12 × 706,989.43
  4. Step 4: Simplify right side
    1,279,961.56x = 1,248,764,705,910.32
  5. Step 5: Solve for x
    x = 1,248,764,705,910.32/1,279,961.56
  6. Step 6: Final answer
    x = 975,626.73

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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.