Home / 1,245,793.30-1,867,445.79-615,159.70

Finding the Fourth Proportional to 1,245,793.30, 1,867,445.79 and 615,159.70

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Solution

The fourth proportional to 1,245,793.30, 1,867,445.79 and 615,159.70 is: 922,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,793.30 : 1,867,445.79 = 615,159.70 : x
  2. Step 2: Convert to fraction form
    1,245,793.30/1,867,445.79 = 615,159.70/x
  3. Step 3: Cross multiply
    1,245,793.30x = 1,867,445.79 × 615,159.70
  4. Step 4: Simplify right side
    1,245,793.30x = 1,148,777,391,942.66
  5. Step 5: Solve for x
    x = 1,148,777,391,942.66/1,245,793.30
  6. Step 6: Final answer
    x = 922,125.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.