Home / 1,942,379.60-2,912,694.60-743,903.60

Finding the Fourth Proportional to 1,942,379.60, 2,912,694.60 and 743,903.60

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Solution

The fourth proportional to 1,942,379.60, 2,912,694.60 and 743,903.60 is: 1,115,520.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,379.60 : 2,912,694.60 = 743,903.60 : x
  2. Step 2: Convert to fraction form
    1,942,379.60/2,912,694.60 = 743,903.60/x
  3. Step 3: Cross multiply
    1,942,379.60x = 2,912,694.60 × 743,903.60
  4. Step 4: Simplify right side
    1,942,379.60x = 2,166,763,998,640.56
  5. Step 5: Solve for x
    x = 2,166,763,998,640.56/1,942,379.60
  6. Step 6: Final answer
    x = 1,115,520.36

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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.