Home / 1,268,375.64-1,900,423.82-627,825.24

Finding the Fourth Proportional to 1,268,375.64, 1,900,423.82 and 627,825.24

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Solution

The fourth proportional to 1,268,375.64, 1,900,423.82 and 627,825.24 is: 940,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,375.64 : 1,900,423.82 = 627,825.24 : x
  2. Step 2: Convert to fraction form
    1,268,375.64/1,900,423.82 = 627,825.24/x
  3. Step 3: Cross multiply
    1,268,375.64x = 1,900,423.82 × 627,825.24
  4. Step 4: Simplify right side
    1,268,375.64x = 1,193,134,040,893.22
  5. Step 5: Solve for x
    x = 1,193,134,040,893.22/1,268,375.64
  6. Step 6: Final answer
    x = 940,678.77

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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.