Home / 1,204,984.15-1,662,822.97-661,108.70

Finding the Fourth Proportional to 1,204,984.15, 1,662,822.97 and 661,108.70

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Solution

The fourth proportional to 1,204,984.15, 1,662,822.97 and 661,108.70 is: 912,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,984.15 : 1,662,822.97 = 661,108.70 : x
  2. Step 2: Convert to fraction form
    1,204,984.15/1,662,822.97 = 661,108.70/x
  3. Step 3: Cross multiply
    1,204,984.15x = 1,662,822.97 × 661,108.70
  4. Step 4: Simplify right side
    1,204,984.15x = 1,099,306,734,531.12
  5. Step 5: Solve for x
    x = 1,099,306,734,531.12/1,204,984.15
  6. Step 6: Final answer
    x = 912,299.75

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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.