Home / 1,109,511.80-1,531,121.10-600,209.72

Finding the Fourth Proportional to 1,109,511.80, 1,531,121.10 and 600,209.72

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Solution

The fourth proportional to 1,109,511.80, 1,531,121.10 and 600,209.72 is: 828,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,511.80 : 1,531,121.10 = 600,209.72 : x
  2. Step 2: Convert to fraction form
    1,109,511.80/1,531,121.10 = 600,209.72/x
  3. Step 3: Cross multiply
    1,109,511.80x = 1,531,121.10 × 600,209.72
  4. Step 4: Simplify right side
    1,109,511.80x = 918,993,766,717.09
  5. Step 5: Solve for x
    x = 918,993,766,717.09/1,109,511.80
  6. Step 6: Final answer
    x = 828,286.61

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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.