Home / 1,687,720.66-2,329,076.38-923,757.82

Finding the Fourth Proportional to 1,687,720.66, 2,329,076.38 and 923,757.82

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Solution

The fourth proportional to 1,687,720.66, 2,329,076.38 and 923,757.82 is: 1,274,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,720.66 : 2,329,076.38 = 923,757.82 : x
  2. Step 2: Convert to fraction form
    1,687,720.66/2,329,076.38 = 923,757.82/x
  3. Step 3: Cross multiply
    1,687,720.66x = 2,329,076.38 × 923,757.82
  4. Step 4: Simplify right side
    1,687,720.66x = 2,151,502,519,402.29
  5. Step 5: Solve for x
    x = 2,151,502,519,402.29/1,687,720.66
  6. Step 6: Final answer
    x = 1,274,797.76

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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.