Home / 1,261,227.30-1,740,532.11-717,441.90

Finding the Fourth Proportional to 1,261,227.30, 1,740,532.11 and 717,441.90

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Solution

The fourth proportional to 1,261,227.30, 1,740,532.11 and 717,441.90 is: 990,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,227.30 : 1,740,532.11 = 717,441.90 : x
  2. Step 2: Convert to fraction form
    1,261,227.30/1,740,532.11 = 717,441.90/x
  3. Step 3: Cross multiply
    1,261,227.30x = 1,740,532.11 × 717,441.90
  4. Step 4: Simplify right side
    1,261,227.30x = 1,248,730,664,009.41
  5. Step 5: Solve for x
    x = 1,248,730,664,009.41/1,261,227.30
  6. Step 6: Final answer
    x = 990,091.69

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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.