Home / 1,245,793.05-1,867,445.42-615,159.45

Finding the Fourth Proportional to 1,245,793.05, 1,867,445.42 and 615,159.45

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Solution

The fourth proportional to 1,245,793.05, 1,867,445.42 and 615,159.45 is: 922,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,793.05 : 1,867,445.42 = 615,159.45 : x
  2. Step 2: Convert to fraction form
    1,245,793.05/1,867,445.42 = 615,159.45/x
  3. Step 3: Cross multiply
    1,245,793.05x = 1,867,445.42 × 615,159.45
  4. Step 4: Simplify right side
    1,245,793.05x = 1,148,776,694,396.42
  5. Step 5: Solve for x
    x = 1,148,776,694,396.42/1,245,793.05
  6. Step 6: Final answer
    x = 922,124.82

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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.