Home / 1,343,489.57-1,854,007.49-739,873.25

Finding the Fourth Proportional to 1,343,489.57, 1,854,007.49 and 739,873.25

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Solution

The fourth proportional to 1,343,489.57, 1,854,007.49 and 739,873.25 is: 1,021,020.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,489.57 : 1,854,007.49 = 739,873.25 : x
  2. Step 2: Convert to fraction form
    1,343,489.57/1,854,007.49 = 739,873.25/x
  3. Step 3: Cross multiply
    1,343,489.57x = 1,854,007.49 × 739,873.25
  4. Step 4: Simplify right side
    1,343,489.57x = 1,371,730,543,451.28
  5. Step 5: Solve for x
    x = 1,371,730,543,451.28/1,343,489.57
  6. Step 6: Final answer
    x = 1,021,020.61

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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.