Home / 1,204,031.77-1,661,638.49-667,487.77

Finding the Fourth Proportional to 1,204,031.77, 1,661,638.49 and 667,487.77

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Solution

The fourth proportional to 1,204,031.77, 1,661,638.49 and 667,487.77 is: 921,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,031.77 : 1,661,638.49 = 667,487.77 : x
  2. Step 2: Convert to fraction form
    1,204,031.77/1,661,638.49 = 667,487.77/x
  3. Step 3: Cross multiply
    1,204,031.77x = 1,661,638.49 × 667,487.77
  4. Step 4: Simplify right side
    1,204,031.77x = 1,109,123,367,750.89
  5. Step 5: Solve for x
    x = 1,109,123,367,750.89/1,204,031.77
  6. Step 6: Final answer
    x = 921,174.51

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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.