Home / 1,107,196.20-1,660,794.30-1,012,717.80

Finding the Fourth Proportional to 1,107,196.20, 1,660,794.30 and 1,012,717.80

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Solution

The fourth proportional to 1,107,196.20, 1,660,794.30 and 1,012,717.80 is: 1,519,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,196.20 : 1,660,794.30 = 1,012,717.80 : x
  2. Step 2: Convert to fraction form
    1,107,196.20/1,660,794.30 = 1,012,717.80/x
  3. Step 3: Cross multiply
    1,107,196.20x = 1,660,794.30 × 1,012,717.80
  4. Step 4: Simplify right side
    1,107,196.20x = 1,681,915,949,748.54
  5. Step 5: Solve for x
    x = 1,681,915,949,748.54/1,107,196.20
  6. Step 6: Final answer
    x = 1,519,076.70

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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.