Home / 943,614.10-1,414,240.78-743,142.75

Finding the Fourth Proportional to 943,614.10, 1,414,240.78 and 743,142.75

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Solution

The fourth proportional to 943,614.10, 1,414,240.78 and 743,142.75 is: 1,113,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,614.10 : 1,414,240.78 = 743,142.75 : x
  2. Step 2: Convert to fraction form
    943,614.10/1,414,240.78 = 743,142.75/x
  3. Step 3: Cross multiply
    943,614.10x = 1,414,240.78 × 743,142.75
  4. Step 4: Simplify right side
    943,614.10x = 1,050,982,782,411.35
  5. Step 5: Solve for x
    x = 1,050,982,782,411.35/943,614.10
  6. Step 6: Final answer
    x = 1,113,784.53

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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.