Home / 1,131,663.24-1,561,421.16-718,049.52

Finding the Fourth Proportional to 1,131,663.24, 1,561,421.16 and 718,049.52

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Solution

The fourth proportional to 1,131,663.24, 1,561,421.16 and 718,049.52 is: 990,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,663.24 : 1,561,421.16 = 718,049.52 : x
  2. Step 2: Convert to fraction form
    1,131,663.24/1,561,421.16 = 718,049.52/x
  3. Step 3: Cross multiply
    1,131,663.24x = 1,561,421.16 × 718,049.52
  4. Step 4: Simplify right side
    1,131,663.24x = 1,121,177,714,455.84
  5. Step 5: Solve for x
    x = 1,121,177,714,455.84/1,131,663.24
  6. Step 6: Final answer
    x = 990,734.41

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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.