Home / 1,513,891.82-2,268,267.15-913,591.55

Finding the Fourth Proportional to 1,513,891.82, 2,268,267.15 and 913,591.55

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Solution

The fourth proportional to 1,513,891.82, 2,268,267.15 and 913,591.55 is: 1,368,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,891.82 : 2,268,267.15 = 913,591.55 : x
  2. Step 2: Convert to fraction form
    1,513,891.82/2,268,267.15 = 913,591.55/x
  3. Step 3: Cross multiply
    1,513,891.82x = 2,268,267.15 × 913,591.55
  4. Step 4: Simplify right side
    1,513,891.82x = 2,072,269,701,382.58
  5. Step 5: Solve for x
    x = 2,072,269,701,382.58/1,513,891.82
  6. Step 6: Final answer
    x = 1,368,836.05

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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.