Home / 1,345,039.68-1,856,167.20-741,449.28

Finding the Fourth Proportional to 1,345,039.68, 1,856,167.20 and 741,449.28

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Solution

The fourth proportional to 1,345,039.68, 1,856,167.20 and 741,449.28 is: 1,023,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,039.68 : 1,856,167.20 = 741,449.28 : x
  2. Step 2: Convert to fraction form
    1,345,039.68/1,856,167.20 = 741,449.28/x
  3. Step 3: Cross multiply
    1,345,039.68x = 1,856,167.20 × 741,449.28
  4. Step 4: Simplify right side
    1,345,039.68x = 1,376,253,833,999.62
  5. Step 5: Solve for x
    x = 1,376,253,833,999.62/1,345,039.68
  6. Step 6: Final answer
    x = 1,023,206.86

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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.