Home / 720,997.60-1,081,402.41-188,559.70

Finding the Fourth Proportional to 720,997.60, 1,081,402.41 and 188,559.70

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Solution

The fourth proportional to 720,997.60, 1,081,402.41 and 188,559.70 is: 282,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,997.60 : 1,081,402.41 = 188,559.70 : x
  2. Step 2: Convert to fraction form
    720,997.60/1,081,402.41 = 188,559.70/x
  3. Step 3: Cross multiply
    720,997.60x = 1,081,402.41 × 188,559.70
  4. Step 4: Simplify right side
    720,997.60x = 203,908,914,008.88
  5. Step 5: Solve for x
    x = 203,908,914,008.88/720,997.60
  6. Step 6: Final answer
    x = 282,814.97

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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.