Home / 1,267,076.75-1,748,691.32-723,294.31

Finding the Fourth Proportional to 1,267,076.75, 1,748,691.32 and 723,294.31

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Solution

The fourth proportional to 1,267,076.75, 1,748,691.32 and 723,294.31 is: 998,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,076.75 : 1,748,691.32 = 723,294.31 : x
  2. Step 2: Convert to fraction form
    1,267,076.75/1,748,691.32 = 723,294.31/x
  3. Step 3: Cross multiply
    1,267,076.75x = 1,748,691.32 × 723,294.31
  4. Step 4: Simplify right side
    1,267,076.75x = 1,264,818,481,702.39
  5. Step 5: Solve for x
    x = 1,264,818,481,702.39/1,267,076.75
  6. Step 6: Final answer
    x = 998,217.73

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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.