Home / 1,108,959.49-1,530,249.46-818,725.56

Finding the Fourth Proportional to 1,108,959.49, 1,530,249.46 and 818,725.56

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Solution

The fourth proportional to 1,108,959.49, 1,530,249.46 and 818,725.56 is: 1,129,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,959.49 : 1,530,249.46 = 818,725.56 : x
  2. Step 2: Convert to fraction form
    1,108,959.49/1,530,249.46 = 818,725.56/x
  3. Step 3: Cross multiply
    1,108,959.49x = 1,530,249.46 × 818,725.56
  4. Step 4: Simplify right side
    1,108,959.49x = 1,252,854,346,078.20
  5. Step 5: Solve for x
    x = 1,252,854,346,078.20/1,108,959.49
  6. Step 6: Final answer
    x = 1,129,756.64

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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.