Home / 1,511,118.14-2,085,380.39-822,827.70

Finding the Fourth Proportional to 1,511,118.14, 2,085,380.39 and 822,827.70

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Solution

The fourth proportional to 1,511,118.14, 2,085,380.39 and 822,827.70 is: 1,135,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,118.14 : 2,085,380.39 = 822,827.70 : x
  2. Step 2: Convert to fraction form
    1,511,118.14/2,085,380.39 = 822,827.70/x
  3. Step 3: Cross multiply
    1,511,118.14x = 2,085,380.39 × 822,827.70
  4. Step 4: Simplify right side
    1,511,118.14x = 1,715,908,751,985.87
  5. Step 5: Solve for x
    x = 1,715,908,751,985.87/1,511,118.14
  6. Step 6: Final answer
    x = 1,135,522.57

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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.