Home / 1,800,467.20-2,700,268.80-1,040,665.60

Finding the Fourth Proportional to 1,800,467.20, 2,700,268.80 and 1,040,665.60

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Solution

The fourth proportional to 1,800,467.20, 2,700,268.80 and 1,040,665.60 is: 1,560,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,467.20 : 2,700,268.80 = 1,040,665.60 : x
  2. Step 2: Convert to fraction form
    1,800,467.20/2,700,268.80 = 1,040,665.60/x
  3. Step 3: Cross multiply
    1,800,467.20x = 2,700,268.80 × 1,040,665.60
  4. Step 4: Simplify right side
    1,800,467.20x = 2,810,076,850,913.28
  5. Step 5: Solve for x
    x = 2,810,076,850,913.28/1,800,467.20
  6. Step 6: Final answer
    x = 1,560,748.71

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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.