Home / 1,425,702-1,966,984.38-813,414.90

Finding the Fourth Proportional to 1,425,702, 1,966,984.38 and 813,414.90

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Solution

The fourth proportional to 1,425,702, 1,966,984.38 and 813,414.90 is: 1,122,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,702 : 1,966,984.38 = 813,414.90 : x
  2. Step 2: Convert to fraction form
    1,425,702/1,966,984.38 = 813,414.90/x
  3. Step 3: Cross multiply
    1,425,702x = 1,966,984.38 × 813,414.90
  4. Step 4: Simplify right side
    1,425,702x = 1,599,974,402,759.26
  5. Step 5: Solve for x
    x = 1,599,974,402,759.26/1,425,702
  6. Step 6: Final answer
    x = 1,122,236.21

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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.