Home / 1,261,228.96-1,740,532.92-688,305.96

Finding the Fourth Proportional to 1,261,228.96, 1,740,532.92 and 688,305.96

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Solution

The fourth proportional to 1,261,228.96, 1,740,532.92 and 688,305.96 is: 949,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,228.96 : 1,740,532.92 = 688,305.96 : x
  2. Step 2: Convert to fraction form
    1,261,228.96/1,740,532.92 = 688,305.96/x
  3. Step 3: Cross multiply
    1,261,228.96x = 1,740,532.92 × 688,305.96
  4. Step 4: Simplify right side
    1,261,228.96x = 1,198,019,182,412.20
  5. Step 5: Solve for x
    x = 1,198,019,182,412.20/1,261,228.96
  6. Step 6: Final answer
    x = 949,882.39

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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.