Home / 1,687,768.92-2,329,123.68-923,870.88

Finding the Fourth Proportional to 1,687,768.92, 2,329,123.68 and 923,870.88

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Solution

The fourth proportional to 1,687,768.92, 2,329,123.68 and 923,870.88 is: 1,274,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,768.92 : 2,329,123.68 = 923,870.88 : x
  2. Step 2: Convert to fraction form
    1,687,768.92/2,329,123.68 = 923,870.88/x
  3. Step 3: Cross multiply
    1,687,768.92x = 2,329,123.68 × 923,870.88
  4. Step 4: Simplify right side
    1,687,768.92x = 2,151,809,543,870.44
  5. Step 5: Solve for x
    x = 2,151,809,543,870.44/1,687,768.92
  6. Step 6: Final answer
    x = 1,274,943.22

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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.