Home / 1,122,028.44-1,682,985.30-412,001.88

Finding the Fourth Proportional to 1,122,028.44, 1,682,985.30 and 412,001.88

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Solution

The fourth proportional to 1,122,028.44, 1,682,985.30 and 412,001.88 is: 617,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,028.44 : 1,682,985.30 = 412,001.88 : x
  2. Step 2: Convert to fraction form
    1,122,028.44/1,682,985.30 = 412,001.88/x
  3. Step 3: Cross multiply
    1,122,028.44x = 1,682,985.30 × 412,001.88
  4. Step 4: Simplify right side
    1,122,028.44x = 693,393,107,612.36
  5. Step 5: Solve for x
    x = 693,393,107,612.36/1,122,028.44
  6. Step 6: Final answer
    x = 617,981.76

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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.