Home / 1,687,639.62-2,328,852.96-923,545.56

Finding the Fourth Proportional to 1,687,639.62, 2,328,852.96 and 923,545.56

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Solution

The fourth proportional to 1,687,639.62, 2,328,852.96 and 923,545.56 is: 1,274,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,639.62 : 2,328,852.96 = 923,545.56 : x
  2. Step 2: Convert to fraction form
    1,687,639.62/2,328,852.96 = 923,545.56/x
  3. Step 3: Cross multiply
    1,687,639.62x = 2,328,852.96 × 923,545.56
  4. Step 4: Simplify right side
    1,687,639.62x = 2,150,801,811,100.86
  5. Step 5: Solve for x
    x = 2,150,801,811,100.86/1,687,639.62
  6. Step 6: Final answer
    x = 1,274,443.78

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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.