Home / 1,336,511.10-2,004,766.65-1,309,939.05

Finding the Fourth Proportional to 1,336,511.10, 2,004,766.65 and 1,309,939.05

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Solution

The fourth proportional to 1,336,511.10, 2,004,766.65 and 1,309,939.05 is: 1,964,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,511.10 : 2,004,766.65 = 1,309,939.05 : x
  2. Step 2: Convert to fraction form
    1,336,511.10/2,004,766.65 = 1,309,939.05/x
  3. Step 3: Cross multiply
    1,336,511.10x = 2,004,766.65 × 1,309,939.05
  4. Step 4: Simplify right side
    1,336,511.10x = 2,626,122,120,972.68
  5. Step 5: Solve for x
    x = 2,626,122,120,972.68/1,336,511.10
  6. Step 6: Final answer
    x = 1,964,908.58

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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.