Home / 1,998,787.56-2,993,377.20-1,143,265.56

Finding the Fourth Proportional to 1,998,787.56, 2,993,377.20 and 1,143,265.56

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Solution

The fourth proportional to 1,998,787.56, 2,993,377.20 and 1,143,265.56 is: 1,712,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,787.56 : 2,993,377.20 = 1,143,265.56 : x
  2. Step 2: Convert to fraction form
    1,998,787.56/2,993,377.20 = 1,143,265.56/x
  3. Step 3: Cross multiply
    1,998,787.56x = 2,993,377.20 × 1,143,265.56
  4. Step 4: Simplify right side
    1,998,787.56x = 3,422,225,060,849.23
  5. Step 5: Solve for x
    x = 3,422,225,060,849.23/1,998,787.56
  6. Step 6: Final answer
    x = 1,712,150.47

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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.