Home / 1,646,423.55-2,469,635.39-1,085,326.83

Finding the Fourth Proportional to 1,646,423.55, 2,469,635.39 and 1,085,326.83

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Solution

The fourth proportional to 1,646,423.55, 2,469,635.39 and 1,085,326.83 is: 1,627,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,423.55 : 2,469,635.39 = 1,085,326.83 : x
  2. Step 2: Convert to fraction form
    1,646,423.55/2,469,635.39 = 1,085,326.83/x
  3. Step 3: Cross multiply
    1,646,423.55x = 2,469,635.39 × 1,085,326.83
  4. Step 4: Simplify right side
    1,646,423.55x = 2,680,361,551,797.83
  5. Step 5: Solve for x
    x = 2,680,361,551,797.83/1,646,423.55
  6. Step 6: Final answer
    x = 1,627,990.29

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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.