Home / 1,479,921.09-2,042,291.05-800,857.59

Finding the Fourth Proportional to 1,479,921.09, 2,042,291.05 and 800,857.59

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Solution

The fourth proportional to 1,479,921.09, 2,042,291.05 and 800,857.59 is: 1,105,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,921.09 : 2,042,291.05 = 800,857.59 : x
  2. Step 2: Convert to fraction form
    1,479,921.09/2,042,291.05 = 800,857.59/x
  3. Step 3: Cross multiply
    1,479,921.09x = 2,042,291.05 × 800,857.59
  4. Step 4: Simplify right side
    1,479,921.09x = 1,635,584,288,381.57
  5. Step 5: Solve for x
    x = 1,635,584,288,381.57/1,479,921.09
  6. Step 6: Final answer
    x = 1,105,183.44

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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.