Home / 720,561.92-1,080,843.36-188,081.60

Finding the Fourth Proportional to 720,561.92, 1,080,843.36 and 188,081.60

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Solution

The fourth proportional to 720,561.92, 1,080,843.36 and 188,081.60 is: 282,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,561.92 : 1,080,843.36 = 188,081.60 : x
  2. Step 2: Convert to fraction form
    720,561.92/1,080,843.36 = 188,081.60/x
  3. Step 3: Cross multiply
    720,561.92x = 1,080,843.36 × 188,081.60
  4. Step 4: Simplify right side
    720,561.92x = 203,286,748,498.18
  5. Step 5: Solve for x
    x = 203,286,748,498.18/720,561.92
  6. Step 6: Final answer
    x = 282,122.53

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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.