Home / 1,222,117.41-1,685,754.87-725,049.39

Finding the Fourth Proportional to 1,222,117.41, 1,685,754.87 and 725,049.39

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Solution

The fourth proportional to 1,222,117.41, 1,685,754.87 and 725,049.39 is: 1,000,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,117.41 : 1,685,754.87 = 725,049.39 : x
  2. Step 2: Convert to fraction form
    1,222,117.41/1,685,754.87 = 725,049.39/x
  3. Step 3: Cross multiply
    1,222,117.41x = 1,685,754.87 × 725,049.39
  4. Step 4: Simplify right side
    1,222,117.41x = 1,222,255,540,183.03
  5. Step 5: Solve for x
    x = 1,222,255,540,183.03/1,222,117.41
  6. Step 6: Final answer
    x = 1,000,113.03

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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.