Home / 1,115,814.52-1,673,707.20-274,373.56

Finding the Fourth Proportional to 1,115,814.52, 1,673,707.20 and 274,373.56

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Solution

The fourth proportional to 1,115,814.52, 1,673,707.20 and 274,373.56 is: 411,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,814.52 : 1,673,707.20 = 274,373.56 : x
  2. Step 2: Convert to fraction form
    1,115,814.52/1,673,707.20 = 274,373.56/x
  3. Step 3: Cross multiply
    1,115,814.52x = 1,673,707.20 × 274,373.56
  4. Step 4: Simplify right side
    1,115,814.52x = 459,221,002,861.63
  5. Step 5: Solve for x
    x = 459,221,002,861.63/1,115,814.52
  6. Step 6: Final answer
    x = 411,556.75

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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.