Home / 1,628,684.76-2,442,249.40-954,971.20

Finding the Fourth Proportional to 1,628,684.76, 2,442,249.40 and 954,971.20

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Solution

The fourth proportional to 1,628,684.76, 2,442,249.40 and 954,971.20 is: 1,432,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,684.76 : 2,442,249.40 = 954,971.20 : x
  2. Step 2: Convert to fraction form
    1,628,684.76/2,442,249.40 = 954,971.20/x
  3. Step 3: Cross multiply
    1,628,684.76x = 2,442,249.40 × 954,971.20
  4. Step 4: Simplify right side
    1,628,684.76x = 2,332,277,840,217.28
  5. Step 5: Solve for x
    x = 2,332,277,840,217.28/1,628,684.76
  6. Step 6: Final answer
    x = 1,432,000.78

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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.