Home / 1,267,251-1,748,375.82-722,995.80

Finding the Fourth Proportional to 1,267,251, 1,748,375.82 and 722,995.80

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Solution

The fourth proportional to 1,267,251, 1,748,375.82 and 722,995.80 is: 997,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,251 : 1,748,375.82 = 722,995.80 : x
  2. Step 2: Convert to fraction form
    1,267,251/1,748,375.82 = 722,995.80/x
  3. Step 3: Cross multiply
    1,267,251x = 1,748,375.82 × 722,995.80
  4. Step 4: Simplify right side
    1,267,251x = 1,264,068,374,681.56
  5. Step 5: Solve for x
    x = 1,264,068,374,681.56/1,267,251
  6. Step 6: Final answer
    x = 997,488.56

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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.