Home / 1,107,618.20-1,661,427.10-266,169.95

Finding the Fourth Proportional to 1,107,618.20, 1,661,427.10 and 266,169.95

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Solution

The fourth proportional to 1,107,618.20, 1,661,427.10 and 266,169.95 is: 399,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,618.20 : 1,661,427.10 = 266,169.95 : x
  2. Step 2: Convert to fraction form
    1,107,618.20/1,661,427.10 = 266,169.95/x
  3. Step 3: Cross multiply
    1,107,618.20x = 1,661,427.10 × 266,169.95
  4. Step 4: Simplify right side
    1,107,618.20x = 442,221,958,497.66
  5. Step 5: Solve for x
    x = 442,221,958,497.66/1,107,618.20
  6. Step 6: Final answer
    x = 399,254.87

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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.