Home / 1,687,089.38-2,328,183.34-923,142.94

Finding the Fourth Proportional to 1,687,089.38, 2,328,183.34 and 923,142.94

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Solution

The fourth proportional to 1,687,089.38, 2,328,183.34 and 923,142.94 is: 1,273,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,089.38 : 2,328,183.34 = 923,142.94 : x
  2. Step 2: Convert to fraction form
    1,687,089.38/2,328,183.34 = 923,142.94/x
  3. Step 3: Cross multiply
    1,687,089.38x = 2,328,183.34 × 923,142.94
  4. Step 4: Simplify right side
    1,687,089.38x = 2,149,246,005,218.30
  5. Step 5: Solve for x
    x = 2,149,246,005,218.30/1,687,089.38
  6. Step 6: Final answer
    x = 1,273,937.25

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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.