Home / 1,479,884-2,042,241.75-800,820.50

Finding the Fourth Proportional to 1,479,884, 2,042,241.75 and 800,820.50

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Solution

The fourth proportional to 1,479,884, 2,042,241.75 and 800,820.50 is: 1,105,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,884 : 2,042,241.75 = 800,820.50 : x
  2. Step 2: Convert to fraction form
    1,479,884/2,042,241.75 = 800,820.50/x
  3. Step 3: Cross multiply
    1,479,884x = 2,042,241.75 × 800,820.50
  4. Step 4: Simplify right side
    1,479,884x = 1,635,469,055,351.77
  5. Step 5: Solve for x
    x = 1,635,469,055,351.77/1,479,884
  6. Step 6: Final answer
    x = 1,105,133.28

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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.