Home / 1,550,003.74-2,325,049.62-428,072.74

Finding the Fourth Proportional to 1,550,003.74, 2,325,049.62 and 428,072.74

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Solution

The fourth proportional to 1,550,003.74, 2,325,049.62 and 428,072.74 is: 642,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,003.74 : 2,325,049.62 = 428,072.74 : x
  2. Step 2: Convert to fraction form
    1,550,003.74/2,325,049.62 = 428,072.74/x
  3. Step 3: Cross multiply
    1,550,003.74x = 2,325,049.62 × 428,072.74
  4. Step 4: Simplify right side
    1,550,003.74x = 995,290,361,469.36
  5. Step 5: Solve for x
    x = 995,290,361,469.36/1,550,003.74
  6. Step 6: Final answer
    x = 642,121.26

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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.