Home / 1,425,165.60-1,966,760.43-813,306.18

Finding the Fourth Proportional to 1,425,165.60, 1,966,760.43 and 813,306.18

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Solution

The fourth proportional to 1,425,165.60, 1,966,760.43 and 813,306.18 is: 1,122,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,165.60 : 1,966,760.43 = 813,306.18 : x
  2. Step 2: Convert to fraction form
    1,425,165.60/1,966,760.43 = 813,306.18/x
  3. Step 3: Cross multiply
    1,425,165.60x = 1,966,760.43 × 813,306.18
  4. Step 4: Simplify right side
    1,425,165.60x = 1,599,578,412,298.46
  5. Step 5: Solve for x
    x = 1,599,578,412,298.46/1,425,165.60
  6. Step 6: Final answer
    x = 1,122,380.73

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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.