Home / 1,126,229.32-1,554,196.74-616,949.80

Finding the Fourth Proportional to 1,126,229.32, 1,554,196.74 and 616,949.80

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Solution

The fourth proportional to 1,126,229.32, 1,554,196.74 and 616,949.80 is: 851,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,229.32 : 1,554,196.74 = 616,949.80 : x
  2. Step 2: Convert to fraction form
    1,126,229.32/1,554,196.74 = 616,949.80/x
  3. Step 3: Cross multiply
    1,126,229.32x = 1,554,196.74 × 616,949.80
  4. Step 4: Simplify right side
    1,126,229.32x = 958,861,367,903.65
  5. Step 5: Solve for x
    x = 958,861,367,903.65/1,126,229.32
  6. Step 6: Final answer
    x = 851,390.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.