Home / 990,523.88-1,367,007.54-560,879.72

Finding the Fourth Proportional to 990,523.88, 1,367,007.54 and 560,879.72

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Solution

The fourth proportional to 990,523.88, 1,367,007.54 and 560,879.72 is: 774,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,523.88 : 1,367,007.54 = 560,879.72 : x
  2. Step 2: Convert to fraction form
    990,523.88/1,367,007.54 = 560,879.72/x
  3. Step 3: Cross multiply
    990,523.88x = 1,367,007.54 × 560,879.72
  4. Step 4: Simplify right side
    990,523.88x = 766,726,806,273.09
  5. Step 5: Solve for x
    x = 766,726,806,273.09/990,523.88
  6. Step 6: Final answer
    x = 774,061.91

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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.