Home / 1,252,629.28-1,729,076.70-743,331.64

Finding the Fourth Proportional to 1,252,629.28, 1,729,076.70 and 743,331.64

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Solution

The fourth proportional to 1,252,629.28, 1,729,076.70 and 743,331.64 is: 1,026,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,629.28 : 1,729,076.70 = 743,331.64 : x
  2. Step 2: Convert to fraction form
    1,252,629.28/1,729,076.70 = 743,331.64/x
  3. Step 3: Cross multiply
    1,252,629.28x = 1,729,076.70 × 743,331.64
  4. Step 4: Simplify right side
    1,252,629.28x = 1,285,277,419,096.79
  5. Step 5: Solve for x
    x = 1,285,277,419,096.79/1,252,629.28
  6. Step 6: Final answer
    x = 1,026,063.69

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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.