Home / 1,488,029.20-2,232,043.80-1,040,131.60

Finding the Fourth Proportional to 1,488,029.20, 2,232,043.80 and 1,040,131.60

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Solution

The fourth proportional to 1,488,029.20, 2,232,043.80 and 1,040,131.60 is: 1,560,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,029.20 : 2,232,043.80 = 1,040,131.60 : x
  2. Step 2: Convert to fraction form
    1,488,029.20/2,232,043.80 = 1,040,131.60/x
  3. Step 3: Cross multiply
    1,488,029.20x = 2,232,043.80 × 1,040,131.60
  4. Step 4: Simplify right side
    1,488,029.20x = 2,321,619,288,964.08
  5. Step 5: Solve for x
    x = 2,321,619,288,964.08/1,488,029.20
  6. Step 6: Final answer
    x = 1,560,197.40

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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.