Home / 1,216,843.20-1,821,765.60-744,451.20

Finding the Fourth Proportional to 1,216,843.20, 1,821,765.60 and 744,451.20

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Solution

The fourth proportional to 1,216,843.20, 1,821,765.60 and 744,451.20 is: 1,114,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,843.20 : 1,821,765.60 = 744,451.20 : x
  2. Step 2: Convert to fraction form
    1,216,843.20/1,821,765.60 = 744,451.20/x
  3. Step 3: Cross multiply
    1,216,843.20x = 1,821,765.60 × 744,451.20
  4. Step 4: Simplify right side
    1,216,843.20x = 1,356,215,587,038.72
  5. Step 5: Solve for x
    x = 1,356,215,587,038.72/1,216,843.20
  6. Step 6: Final answer
    x = 1,114,536.03

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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.