Home / 1,261,725.78-1,741,211.42-688,770.06

Finding the Fourth Proportional to 1,261,725.78, 1,741,211.42 and 688,770.06

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Solution

The fourth proportional to 1,261,725.78, 1,741,211.42 and 688,770.06 is: 950,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,725.78 : 1,741,211.42 = 688,770.06 : x
  2. Step 2: Convert to fraction form
    1,261,725.78/1,741,211.42 = 688,770.06/x
  3. Step 3: Cross multiply
    1,261,725.78x = 1,741,211.42 × 688,770.06
  4. Step 4: Simplify right side
    1,261,725.78x = 1,199,294,294,226.09
  5. Step 5: Solve for x
    x = 1,199,294,294,226.09/1,261,725.78
  6. Step 6: Final answer
    x = 950,518.97

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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.