Home / 1,942,440.60-2,912,786.10-743,964.60

Finding the Fourth Proportional to 1,942,440.60, 2,912,786.10 and 743,964.60

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Solution

The fourth proportional to 1,942,440.60, 2,912,786.10 and 743,964.60 is: 1,115,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,440.60 : 2,912,786.10 = 743,964.60 : x
  2. Step 2: Convert to fraction form
    1,942,440.60/2,912,786.10 = 743,964.60/x
  3. Step 3: Cross multiply
    1,942,440.60x = 2,912,786.10 × 743,964.60
  4. Step 4: Simplify right side
    1,942,440.60x = 2,167,009,745,772.06
  5. Step 5: Solve for x
    x = 2,167,009,745,772.06/1,942,440.60
  6. Step 6: Final answer
    x = 1,115,611.85

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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.