Home / 1,204,391.75-1,662,060.62-667,847.75

Finding the Fourth Proportional to 1,204,391.75, 1,662,060.62 and 667,847.75

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Solution

The fourth proportional to 1,204,391.75, 1,662,060.62 and 667,847.75 is: 921,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,391.75 : 1,662,060.62 = 667,847.75 : x
  2. Step 2: Convert to fraction form
    1,204,391.75/1,662,060.62 = 667,847.75/x
  3. Step 3: Cross multiply
    1,204,391.75x = 1,662,060.62 × 667,847.75
  4. Step 4: Simplify right side
    1,204,391.75x = 1,110,003,445,430.61
  5. Step 5: Solve for x
    x = 1,110,003,445,430.61/1,204,391.75
  6. Step 6: Final answer
    x = 921,629.90

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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.