Home / 1,074,147.80-1,609,839.30-823,587.80

Finding the Fourth Proportional to 1,074,147.80, 1,609,839.30 and 823,587.80

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Solution

The fourth proportional to 1,074,147.80, 1,609,839.30 and 823,587.80 is: 1,234,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,147.80 : 1,609,839.30 = 823,587.80 : x
  2. Step 2: Convert to fraction form
    1,074,147.80/1,609,839.30 = 823,587.80/x
  3. Step 3: Cross multiply
    1,074,147.80x = 1,609,839.30 × 823,587.80
  4. Step 4: Simplify right side
    1,074,147.80x = 1,325,844,007,440.54
  5. Step 5: Solve for x
    x = 1,325,844,007,440.54/1,074,147.80
  6. Step 6: Final answer
    x = 1,234,321.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.