Home / 1,149,216.22-1,723,225.71-428,965.61

Finding the Fourth Proportional to 1,149,216.22, 1,723,225.71 and 428,965.61

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Solution

The fourth proportional to 1,149,216.22, 1,723,225.71 and 428,965.61 is: 643,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,216.22 : 1,723,225.71 = 428,965.61 : x
  2. Step 2: Convert to fraction form
    1,149,216.22/1,723,225.71 = 428,965.61/x
  3. Step 3: Cross multiply
    1,149,216.22x = 1,723,225.71 × 428,965.61
  4. Step 4: Simplify right side
    1,149,216.22x = 739,204,572,165.90
  5. Step 5: Solve for x
    x = 739,204,572,165.90/1,149,216.22
  6. Step 6: Final answer
    x = 643,224.97

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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.