Home / 1,031,048.20-1,422,843.44-572,231.88

Finding the Fourth Proportional to 1,031,048.20, 1,422,843.44 and 572,231.88

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Solution

The fourth proportional to 1,031,048.20, 1,422,843.44 and 572,231.88 is: 789,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,048.20 : 1,422,843.44 = 572,231.88 : x
  2. Step 2: Convert to fraction form
    1,031,048.20/1,422,843.44 = 572,231.88/x
  3. Step 3: Cross multiply
    1,031,048.20x = 1,422,843.44 × 572,231.88
  4. Step 4: Simplify right side
    1,031,048.20x = 814,196,376,616.87
  5. Step 5: Solve for x
    x = 814,196,376,616.87/1,031,048.20
  6. Step 6: Final answer
    x = 789,678.29

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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.