Home / 1,131,664.24-1,561,422.54-718,050.52

Finding the Fourth Proportional to 1,131,664.24, 1,561,422.54 and 718,050.52

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Solution

The fourth proportional to 1,131,664.24, 1,561,422.54 and 718,050.52 is: 990,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,664.24 : 1,561,422.54 = 718,050.52 : x
  2. Step 2: Convert to fraction form
    1,131,664.24/1,561,422.54 = 718,050.52/x
  3. Step 3: Cross multiply
    1,131,664.24x = 1,561,422.54 × 718,050.52
  4. Step 4: Simplify right side
    1,131,664.24x = 1,121,180,266,786.72
  5. Step 5: Solve for x
    x = 1,121,180,266,786.72/1,131,664.24
  6. Step 6: Final answer
    x = 990,735.79

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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.