Home / 1,268,373.48-1,900,025.23-762,657.54

Finding the Fourth Proportional to 1,268,373.48, 1,900,025.23 and 762,657.54

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Solution

The fourth proportional to 1,268,373.48, 1,900,025.23 and 762,657.54 is: 1,142,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,373.48 : 1,900,025.23 = 762,657.54 : x
  2. Step 2: Convert to fraction form
    1,268,373.48/1,900,025.23 = 762,657.54/x
  3. Step 3: Cross multiply
    1,268,373.48x = 1,900,025.23 × 762,657.54
  4. Step 4: Simplify right side
    1,268,373.48x = 1,449,068,567,849.73
  5. Step 5: Solve for x
    x = 1,449,068,567,849.73/1,268,373.48
  6. Step 6: Final answer
    x = 1,142,462.05

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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.