Home / 1,085,891.27-1,628,838.87-445,748.85

Finding the Fourth Proportional to 1,085,891.27, 1,628,838.87 and 445,748.85

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Solution

The fourth proportional to 1,085,891.27, 1,628,838.87 and 445,748.85 is: 668,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,891.27 : 1,628,838.87 = 445,748.85 : x
  2. Step 2: Convert to fraction form
    1,085,891.27/1,628,838.87 = 445,748.85/x
  3. Step 3: Cross multiply
    1,085,891.27x = 1,628,838.87 × 445,748.85
  4. Step 4: Simplify right side
    1,085,891.27x = 726,053,049,392.47
  5. Step 5: Solve for x
    x = 726,053,049,392.47/1,085,891.27
  6. Step 6: Final answer
    x = 668,624.08

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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.