Home / 720,992.10-1,081,394.19-188,554.20

Finding the Fourth Proportional to 720,992.10, 1,081,394.19 and 188,554.20

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Solution

The fourth proportional to 720,992.10, 1,081,394.19 and 188,554.20 is: 282,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,992.10 : 1,081,394.19 = 188,554.20 : x
  2. Step 2: Convert to fraction form
    720,992.10/1,081,394.19 = 188,554.20/x
  3. Step 3: Cross multiply
    720,992.10x = 1,081,394.19 × 188,554.20
  4. Step 4: Simplify right side
    720,992.10x = 203,901,416,380.10
  5. Step 5: Solve for x
    x = 203,901,416,380.10/720,992.10
  6. Step 6: Final answer
    x = 282,806.73

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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.