Home / 1,074,185.80-1,609,896.30-823,625.80

Finding the Fourth Proportional to 1,074,185.80, 1,609,896.30 and 823,625.80

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Solution

The fourth proportional to 1,074,185.80, 1,609,896.30 and 823,625.80 is: 1,234,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,185.80 : 1,609,896.30 = 823,625.80 : x
  2. Step 2: Convert to fraction form
    1,074,185.80/1,609,896.30 = 823,625.80/x
  3. Step 3: Cross multiply
    1,074,185.80x = 1,609,896.30 × 823,625.80
  4. Step 4: Simplify right side
    1,074,185.80x = 1,325,952,128,004.54
  5. Step 5: Solve for x
    x = 1,325,952,128,004.54/1,074,185.80
  6. Step 6: Final answer
    x = 1,234,378.75

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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.