Home / 1,107,339.20-1,661,008.80-265,890.95

Finding the Fourth Proportional to 1,107,339.20, 1,661,008.80 and 265,890.95

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Solution

The fourth proportional to 1,107,339.20, 1,661,008.80 and 265,890.95 is: 398,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,339.20 : 1,661,008.80 = 265,890.95 : x
  2. Step 2: Convert to fraction form
    1,107,339.20/1,661,008.80 = 265,890.95/x
  3. Step 3: Cross multiply
    1,107,339.20x = 1,661,008.80 × 265,890.95
  4. Step 4: Simplify right side
    1,107,339.20x = 441,647,207,790.36
  5. Step 5: Solve for x
    x = 441,647,207,790.36/1,107,339.20
  6. Step 6: Final answer
    x = 398,836.43

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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.