Home / 1,479,077.80-2,215,506.30-1,230,245.80

Finding the Fourth Proportional to 1,479,077.80, 2,215,506.30 and 1,230,245.80

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Solution

The fourth proportional to 1,479,077.80, 2,215,506.30 and 1,230,245.80 is: 1,842,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,077.80 : 2,215,506.30 = 1,230,245.80 : x
  2. Step 2: Convert to fraction form
    1,479,077.80/2,215,506.30 = 1,230,245.80/x
  3. Step 3: Cross multiply
    1,479,077.80x = 2,215,506.30 × 1,230,245.80
  4. Step 4: Simplify right side
    1,479,077.80x = 2,725,617,320,448.54
  5. Step 5: Solve for x
    x = 2,725,617,320,448.54/1,479,077.80
  6. Step 6: Final answer
    x = 1,842,781.58

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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.