Home / 1,513,523.54-2,087,377.46-1,278,926.74

Finding the Fourth Proportional to 1,513,523.54, 2,087,377.46 and 1,278,926.74

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Solution

The fourth proportional to 1,513,523.54, 2,087,377.46 and 1,278,926.74 is: 1,763,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,523.54 : 2,087,377.46 = 1,278,926.74 : x
  2. Step 2: Convert to fraction form
    1,513,523.54/2,087,377.46 = 1,278,926.74/x
  3. Step 3: Cross multiply
    1,513,523.54x = 2,087,377.46 × 1,278,926.74
  4. Step 4: Simplify right side
    1,513,523.54x = 2,669,602,850,067.28
  5. Step 5: Solve for x
    x = 2,669,602,850,067.28/1,513,523.54
  6. Step 6: Final answer
    x = 1,763,833.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.