Home / 1,687,231.62-2,328,379.83-923,285.25

Finding the Fourth Proportional to 1,687,231.62, 2,328,379.83 and 923,285.25

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Solution

The fourth proportional to 1,687,231.62, 2,328,379.83 and 923,285.25 is: 1,274,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,231.62 : 2,328,379.83 = 923,285.25 : x
  2. Step 2: Convert to fraction form
    1,687,231.62/2,328,379.83 = 923,285.25/x
  3. Step 3: Cross multiply
    1,687,231.62x = 2,328,379.83 × 923,285.25
  4. Step 4: Simplify right side
    1,687,231.62x = 2,149,758,753,436.51
  5. Step 5: Solve for x
    x = 2,149,758,753,436.51/1,687,231.62
  6. Step 6: Final answer
    x = 1,274,133.75

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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.