Home / 1,942,366.70-2,912,167.65-743,825.90

Finding the Fourth Proportional to 1,942,366.70, 2,912,167.65 and 743,825.90

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Solution

The fourth proportional to 1,942,366.70, 2,912,167.65 and 743,825.90 is: 1,115,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,366.70 : 2,912,167.65 = 743,825.90 : x
  2. Step 2: Convert to fraction form
    1,942,366.70/2,912,167.65 = 743,825.90/x
  3. Step 3: Cross multiply
    1,942,366.70x = 2,912,167.65 × 743,825.90
  4. Step 4: Simplify right side
    1,942,366.70x = 2,166,145,723,212.14
  5. Step 5: Solve for x
    x = 2,166,145,723,212.14/1,942,366.70
  6. Step 6: Final answer
    x = 1,115,209.46

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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.