Home / 1,394,998.20-2,088,350.10-922,217.40

Finding the Fourth Proportional to 1,394,998.20, 2,088,350.10 and 922,217.40

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Solution

The fourth proportional to 1,394,998.20, 2,088,350.10 and 922,217.40 is: 1,380,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,998.20 : 2,088,350.10 = 922,217.40 : x
  2. Step 2: Convert to fraction form
    1,394,998.20/2,088,350.10 = 922,217.40/x
  3. Step 3: Cross multiply
    1,394,998.20x = 2,088,350.10 × 922,217.40
  4. Step 4: Simplify right side
    1,394,998.20x = 1,925,912,799,511.74
  5. Step 5: Solve for x
    x = 1,925,912,799,511.74/1,394,998.20
  6. Step 6: Final answer
    x = 1,380,584.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.