Home / 1,207,997.44-1,667,037.53-664,142.48

Finding the Fourth Proportional to 1,207,997.44, 1,667,037.53 and 664,142.48

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Solution

The fourth proportional to 1,207,997.44, 1,667,037.53 and 664,142.48 is: 916,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,997.44 : 1,667,037.53 = 664,142.48 : x
  2. Step 2: Convert to fraction form
    1,207,997.44/1,667,037.53 = 664,142.48/x
  3. Step 3: Cross multiply
    1,207,997.44x = 1,667,037.53 × 664,142.48
  4. Step 4: Simplify right side
    1,207,997.44x = 1,107,150,445,255.22
  5. Step 5: Solve for x
    x = 1,107,150,445,255.22/1,207,997.44
  6. Step 6: Final answer
    x = 916,517.21

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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.