Home / 1,278,202.60-1,764,558.78-794,923.43

Finding the Fourth Proportional to 1,278,202.60, 1,764,558.78 and 794,923.43

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Solution

The fourth proportional to 1,278,202.60, 1,764,558.78 and 794,923.43 is: 1,097,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,202.60 : 1,764,558.78 = 794,923.43 : x
  2. Step 2: Convert to fraction form
    1,278,202.60/1,764,558.78 = 794,923.43/x
  3. Step 3: Cross multiply
    1,278,202.60x = 1,764,558.78 × 794,923.43
  4. Step 4: Simplify right side
    1,278,202.60x = 1,402,689,122,245.61
  5. Step 5: Solve for x
    x = 1,402,689,122,245.61/1,278,202.60
  6. Step 6: Final answer
    x = 1,097,391.86

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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.