Home / 1,481,231.80-2,221,920.60-772,643.80

Finding the Fourth Proportional to 1,481,231.80, 2,221,920.60 and 772,643.80

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Solution

The fourth proportional to 1,481,231.80, 2,221,920.60 and 772,643.80 is: 1,159,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,231.80 : 2,221,920.60 = 772,643.80 : x
  2. Step 2: Convert to fraction form
    1,481,231.80/2,221,920.60 = 772,643.80/x
  3. Step 3: Cross multiply
    1,481,231.80x = 2,221,920.60 × 772,643.80
  4. Step 4: Simplify right side
    1,481,231.80x = 1,716,753,175,682.28
  5. Step 5: Solve for x
    x = 1,716,753,175,682.28/1,481,231.80
  6. Step 6: Final answer
    x = 1,159,003.73

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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.