Home / 1,279,351.82-1,919,953.68-500,479.53

Finding the Fourth Proportional to 1,279,351.82, 1,919,953.68 and 500,479.53

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Solution

The fourth proportional to 1,279,351.82, 1,919,953.68 and 500,479.53 is: 751,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,351.82 : 1,919,953.68 = 500,479.53 : x
  2. Step 2: Convert to fraction form
    1,279,351.82/1,919,953.68 = 500,479.53/x
  3. Step 3: Cross multiply
    1,279,351.82x = 1,919,953.68 × 500,479.53
  4. Step 4: Simplify right side
    1,279,351.82x = 960,897,517,930.37
  5. Step 5: Solve for x
    x = 960,897,517,930.37/1,279,351.82
  6. Step 6: Final answer
    x = 751,081.53

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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.