Home / 1,203,247.80-1,659,861.18-815,932.26

Finding the Fourth Proportional to 1,203,247.80, 1,659,861.18 and 815,932.26

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Solution

The fourth proportional to 1,203,247.80, 1,659,861.18 and 815,932.26 is: 1,125,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,247.80 : 1,659,861.18 = 815,932.26 : x
  2. Step 2: Convert to fraction form
    1,203,247.80/1,659,861.18 = 815,932.26/x
  3. Step 3: Cross multiply
    1,203,247.80x = 1,659,861.18 × 815,932.26
  4. Step 4: Simplify right side
    1,203,247.80x = 1,354,334,283,883.67
  5. Step 5: Solve for x
    x = 1,354,334,283,883.67/1,203,247.80
  6. Step 6: Final answer
    x = 1,125,565.56

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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.