Home / 1,247,171.16-1,866,076.54-739,874.64

Finding the Fourth Proportional to 1,247,171.16, 1,866,076.54 and 739,874.64

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Solution

The fourth proportional to 1,247,171.16, 1,866,076.54 and 739,874.64 is: 1,107,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,171.16 : 1,866,076.54 = 739,874.64 : x
  2. Step 2: Convert to fraction form
    1,247,171.16/1,866,076.54 = 739,874.64/x
  3. Step 3: Cross multiply
    1,247,171.16x = 1,866,076.54 × 739,874.64
  4. Step 4: Simplify right side
    1,247,171.16x = 1,380,662,708,244.95
  5. Step 5: Solve for x
    x = 1,380,662,708,244.95/1,247,171.16
  6. Step 6: Final answer
    x = 1,107,035.47

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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.