Home / 1,687,228.33-2,328,375.27-923,281.96

Finding the Fourth Proportional to 1,687,228.33, 2,328,375.27 and 923,281.96

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Solution

The fourth proportional to 1,687,228.33, 2,328,375.27 and 923,281.96 is: 1,274,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,228.33 : 2,328,375.27 = 923,281.96 : x
  2. Step 2: Convert to fraction form
    1,687,228.33/2,328,375.27 = 923,281.96/x
  3. Step 3: Cross multiply
    1,687,228.33x = 2,328,375.27 × 923,281.96
  4. Step 4: Simplify right side
    1,687,228.33x = 2,149,746,882,901.13
  5. Step 5: Solve for x
    x = 2,149,746,882,901.13/1,687,228.33
  6. Step 6: Final answer
    x = 1,274,129.20

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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.