Home / 1,268,392.76-1,900,054.24-762,676.88

Finding the Fourth Proportional to 1,268,392.76, 1,900,054.24 and 762,676.88

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Solution

The fourth proportional to 1,268,392.76, 1,900,054.24 and 762,676.88 is: 1,142,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,392.76 : 1,900,054.24 = 762,676.88 : x
  2. Step 2: Convert to fraction form
    1,268,392.76/1,900,054.24 = 762,676.88/x
  3. Step 3: Cross multiply
    1,268,392.76x = 1,900,054.24 × 762,676.88
  4. Step 4: Simplify right side
    1,268,392.76x = 1,449,127,439,593.97
  5. Step 5: Solve for x
    x = 1,449,127,439,593.97/1,268,392.76
  6. Step 6: Final answer
    x = 1,142,491.10

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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.