Home / 1,520,608.57-2,278,895.23-1,268,383.23

Finding the Fourth Proportional to 1,520,608.57, 2,278,895.23 and 1,268,383.23

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Solution

The fourth proportional to 1,520,608.57, 2,278,895.23 and 1,268,383.23 is: 1,900,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,608.57 : 2,278,895.23 = 1,268,383.23 : x
  2. Step 2: Convert to fraction form
    1,520,608.57/2,278,895.23 = 1,268,383.23/x
  3. Step 3: Cross multiply
    1,520,608.57x = 2,278,895.23 × 1,268,383.23
  4. Step 4: Simplify right side
    1,520,608.57x = 2,890,512,491,402.41
  5. Step 5: Solve for x
    x = 2,890,512,491,402.41/1,520,608.57
  6. Step 6: Final answer
    x = 1,900,891.88

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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.