Home / 1,942,344.60-2,912,642.10-743,868.60

Finding the Fourth Proportional to 1,942,344.60, 2,912,642.10 and 743,868.60

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Solution

The fourth proportional to 1,942,344.60, 2,912,642.10 and 743,868.60 is: 1,115,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,344.60 : 2,912,642.10 = 743,868.60 : x
  2. Step 2: Convert to fraction form
    1,942,344.60/2,912,642.10 = 743,868.60/x
  3. Step 3: Cross multiply
    1,942,344.60x = 2,912,642.10 × 743,868.60
  4. Step 4: Simplify right side
    1,942,344.60x = 2,166,623,001,228.06
  5. Step 5: Solve for x
    x = 2,166,623,001,228.06/1,942,344.60
  6. Step 6: Final answer
    x = 1,115,467.87

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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.