Home / 1,479,920.76-2,042,290.64-800,857.26

Finding the Fourth Proportional to 1,479,920.76, 2,042,290.64 and 800,857.26

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Solution

The fourth proportional to 1,479,920.76, 2,042,290.64 and 800,857.26 is: 1,105,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,920.76 : 2,042,290.64 = 800,857.26 : x
  2. Step 2: Convert to fraction form
    1,479,920.76/2,042,290.64 = 800,857.26/x
  3. Step 3: Cross multiply
    1,479,920.76x = 2,042,290.64 × 800,857.26
  4. Step 4: Simplify right side
    1,479,920.76x = 1,635,583,286,074.05
  5. Step 5: Solve for x
    x = 1,635,583,286,074.05/1,479,920.76
  6. Step 6: Final answer
    x = 1,105,183.01

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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.