Home / 1,425,774.25-1,967,084.08-813,487.15

Finding the Fourth Proportional to 1,425,774.25, 1,967,084.08 and 813,487.15

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Solution

The fourth proportional to 1,425,774.25, 1,967,084.08 and 813,487.15 is: 1,122,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,774.25 : 1,967,084.08 = 813,487.15 : x
  2. Step 2: Convert to fraction form
    1,425,774.25/1,967,084.08 = 813,487.15/x
  3. Step 3: Cross multiply
    1,425,774.25x = 1,967,084.08 × 813,487.15
  4. Step 4: Simplify right side
    1,425,774.25x = 1,600,197,622,049.57
  5. Step 5: Solve for x
    x = 1,600,197,622,049.57/1,425,774.25
  6. Step 6: Final answer
    x = 1,122,335.90

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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.