Home / 1,074,180.80-1,609,888.80-823,620.80

Finding the Fourth Proportional to 1,074,180.80, 1,609,888.80 and 823,620.80

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Solution

The fourth proportional to 1,074,180.80, 1,609,888.80 and 823,620.80 is: 1,234,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,180.80 : 1,609,888.80 = 823,620.80 : x
  2. Step 2: Convert to fraction form
    1,074,180.80/1,609,888.80 = 823,620.80/x
  3. Step 3: Cross multiply
    1,074,180.80x = 1,609,888.80 × 823,620.80
  4. Step 4: Simplify right side
    1,074,180.80x = 1,325,937,901,367.04
  5. Step 5: Solve for x
    x = 1,325,937,901,367.04/1,074,180.80
  6. Step 6: Final answer
    x = 1,234,371.25

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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.