Home / 1,600,891.30-2,207,732.78-1,275,286.81

Finding the Fourth Proportional to 1,600,891.30, 2,207,732.78 and 1,275,286.81

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Solution

The fourth proportional to 1,600,891.30, 2,207,732.78 and 1,275,286.81 is: 1,758,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,891.30 : 2,207,732.78 = 1,275,286.81 : x
  2. Step 2: Convert to fraction form
    1,600,891.30/2,207,732.78 = 1,275,286.81/x
  3. Step 3: Cross multiply
    1,600,891.30x = 2,207,732.78 × 1,275,286.81
  4. Step 4: Simplify right side
    1,600,891.30x = 2,815,492,476,923.53
  5. Step 5: Solve for x
    x = 2,815,492,476,923.53/1,600,891.30
  6. Step 6: Final answer
    x = 1,758,703.10

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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.