Home / 1,086,588.73-1,629,881.73-412,668.78

Finding the Fourth Proportional to 1,086,588.73, 1,629,881.73 and 412,668.78

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Solution

The fourth proportional to 1,086,588.73, 1,629,881.73 and 412,668.78 is: 619,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,588.73 : 1,629,881.73 = 412,668.78 : x
  2. Step 2: Convert to fraction form
    1,086,588.73/1,629,881.73 = 412,668.78/x
  3. Step 3: Cross multiply
    1,086,588.73x = 1,629,881.73 × 412,668.78
  4. Step 4: Simplify right side
    1,086,588.73x = 672,601,305,063.39
  5. Step 5: Solve for x
    x = 672,601,305,063.39/1,086,588.73
  6. Step 6: Final answer
    x = 619,002.65

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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.