Home / 1,252,671.28-1,729,134.66-743,373.64

Finding the Fourth Proportional to 1,252,671.28, 1,729,134.66 and 743,373.64

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Solution

The fourth proportional to 1,252,671.28, 1,729,134.66 and 743,373.64 is: 1,026,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,671.28 : 1,729,134.66 = 743,373.64 : x
  2. Step 2: Convert to fraction form
    1,252,671.28/1,729,134.66 = 743,373.64/x
  3. Step 3: Cross multiply
    1,252,671.28x = 1,729,134.66 × 743,373.64
  4. Step 4: Simplify right side
    1,252,671.28x = 1,285,393,126,254.36
  5. Step 5: Solve for x
    x = 1,285,393,126,254.36/1,252,671.28
  6. Step 6: Final answer
    x = 1,026,121.65

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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.