Home / 1,276,044.42-1,760,981.19-732,279.69

Finding the Fourth Proportional to 1,276,044.42, 1,760,981.19 and 732,279.69

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Solution

The fourth proportional to 1,276,044.42, 1,760,981.19 and 732,279.69 is: 1,010,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,044.42 : 1,760,981.19 = 732,279.69 : x
  2. Step 2: Convert to fraction form
    1,276,044.42/1,760,981.19 = 732,279.69/x
  3. Step 3: Cross multiply
    1,276,044.42x = 1,760,981.19 × 732,279.69
  4. Step 4: Simplify right side
    1,276,044.42x = 1,289,530,759,909.03
  5. Step 5: Solve for x
    x = 1,289,530,759,909.03/1,276,044.42
  6. Step 6: Final answer
    x = 1,010,568.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.