Home / 1,687,789.96-2,329,152.66-923,891.88

Finding the Fourth Proportional to 1,687,789.96, 2,329,152.66 and 923,891.88

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Solution

The fourth proportional to 1,687,789.96, 2,329,152.66 and 923,891.88 is: 1,274,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,789.96 : 2,329,152.66 = 923,891.88 : x
  2. Step 2: Convert to fraction form
    1,687,789.96/2,329,152.66 = 923,891.88/x
  3. Step 3: Cross multiply
    1,687,789.96x = 2,329,152.66 × 923,891.88
  4. Step 4: Simplify right side
    1,687,789.96x = 2,151,885,229,854.40
  5. Step 5: Solve for x
    x = 2,151,885,229,854.40/1,687,789.96
  6. Step 6: Final answer
    x = 1,274,972.17

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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.