Home / 1,687,108.64-2,328,209.84-923,162.24

Finding the Fourth Proportional to 1,687,108.64, 2,328,209.84 and 923,162.24

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Solution

The fourth proportional to 1,687,108.64, 2,328,209.84 and 923,162.24 is: 1,273,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,108.64 : 2,328,209.84 = 923,162.24 : x
  2. Step 2: Convert to fraction form
    1,687,108.64/2,328,209.84 = 923,162.24/x
  3. Step 3: Cross multiply
    1,687,108.64x = 2,328,209.84 × 923,162.24
  4. Step 4: Simplify right side
    1,687,108.64x = 2,149,315,411,084.44
  5. Step 5: Solve for x
    x = 2,149,315,411,084.44/1,687,108.64
  6. Step 6: Final answer
    x = 1,273,963.85

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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.