Home / 1,245,563.28-1,719,004.30-762,447.69

Finding the Fourth Proportional to 1,245,563.28, 1,719,004.30 and 762,447.69

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Solution

The fourth proportional to 1,245,563.28, 1,719,004.30 and 762,447.69 is: 1,052,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,563.28 : 1,719,004.30 = 762,447.69 : x
  2. Step 2: Convert to fraction form
    1,245,563.28/1,719,004.30 = 762,447.69/x
  3. Step 3: Cross multiply
    1,245,563.28x = 1,719,004.30 × 762,447.69
  4. Step 4: Simplify right side
    1,245,563.28x = 1,310,650,861,932.58
  5. Step 5: Solve for x
    x = 1,310,650,861,932.58/1,245,563.28
  6. Step 6: Final answer
    x = 1,052,255.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.