Home / 1,128,697.38-1,693,204.92-330,039

Finding the Fourth Proportional to 1,128,697.38, 1,693,204.92 and 330,039

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Solution

The fourth proportional to 1,128,697.38, 1,693,204.92 and 330,039 is: 495,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,697.38 : 1,693,204.92 = 330,039 : x
  2. Step 2: Convert to fraction form
    1,128,697.38/1,693,204.92 = 330,039/x
  3. Step 3: Cross multiply
    1,128,697.38x = 1,693,204.92 × 330,039
  4. Step 4: Simplify right side
    1,128,697.38x = 558,823,658,591.88
  5. Step 5: Solve for x
    x = 558,823,658,591.88/1,128,697.38
  6. Step 6: Final answer
    x = 495,104.95

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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.