Home / 1,080,332.80-1,619,203.20-448,921.60

Finding the Fourth Proportional to 1,080,332.80, 1,619,203.20 and 448,921.60

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Solution

The fourth proportional to 1,080,332.80, 1,619,203.20 and 448,921.60 is: 672,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,332.80 : 1,619,203.20 = 448,921.60 : x
  2. Step 2: Convert to fraction form
    1,080,332.80/1,619,203.20 = 448,921.60/x
  3. Step 3: Cross multiply
    1,080,332.80x = 1,619,203.20 × 448,921.60
  4. Step 4: Simplify right side
    1,080,332.80x = 726,895,291,269.12
  5. Step 5: Solve for x
    x = 726,895,291,269.12/1,080,332.80
  6. Step 6: Final answer
    x = 672,843.86

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1.5x scale

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.