Home / 1,115,720.52-1,673,566.20-274,279.56

Finding the Fourth Proportional to 1,115,720.52, 1,673,566.20 and 274,279.56

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Solution

The fourth proportional to 1,115,720.52, 1,673,566.20 and 274,279.56 is: 411,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,720.52 : 1,673,566.20 = 274,279.56 : x
  2. Step 2: Convert to fraction form
    1,115,720.52/1,673,566.20 = 274,279.56/x
  3. Step 3: Cross multiply
    1,115,720.52x = 1,673,566.20 × 274,279.56
  4. Step 4: Simplify right side
    1,115,720.52x = 459,025,000,966.87
  5. Step 5: Solve for x
    x = 459,025,000,966.87/1,115,720.52
  6. Step 6: Final answer
    x = 411,415.76

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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.