Home / 1,267,437.26-1,891,936.25-1,173,770.78

Finding the Fourth Proportional to 1,267,437.26, 1,891,936.25 and 1,173,770.78

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Solution

The fourth proportional to 1,267,437.26, 1,891,936.25 and 1,173,770.78 is: 1,752,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,437.26 : 1,891,936.25 = 1,173,770.78 : x
  2. Step 2: Convert to fraction form
    1,267,437.26/1,891,936.25 = 1,173,770.78/x
  3. Step 3: Cross multiply
    1,267,437.26x = 1,891,936.25 × 1,173,770.78
  4. Step 4: Simplify right side
    1,267,437.26x = 2,220,699,487,872.78
  5. Step 5: Solve for x
    x = 2,220,699,487,872.78/1,267,437.26
  6. Step 6: Final answer
    x = 1,752,117.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.