Home / 1,261,582.56-1,741,016.88-688,675.68

Finding the Fourth Proportional to 1,261,582.56, 1,741,016.88 and 688,675.68

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Solution

The fourth proportional to 1,261,582.56, 1,741,016.88 and 688,675.68 is: 950,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,582.56 : 1,741,016.88 = 688,675.68 : x
  2. Step 2: Convert to fraction form
    1,261,582.56/1,741,016.88 = 688,675.68/x
  3. Step 3: Cross multiply
    1,261,582.56x = 1,741,016.88 × 688,675.68
  4. Step 4: Simplify right side
    1,261,582.56x = 1,198,995,983,725.48
  5. Step 5: Solve for x
    x = 1,198,995,983,725.48/1,261,582.56
  6. Step 6: Final answer
    x = 950,390.42

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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.