Home / 1,511,112.66-2,085,372.84-822,822.24

Finding the Fourth Proportional to 1,511,112.66, 2,085,372.84 and 822,822.24

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Solution

The fourth proportional to 1,511,112.66, 2,085,372.84 and 822,822.24 is: 1,135,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,112.66 : 2,085,372.84 = 822,822.24 : x
  2. Step 2: Convert to fraction form
    1,511,112.66/2,085,372.84 = 822,822.24/x
  3. Step 3: Cross multiply
    1,511,112.66x = 2,085,372.84 × 822,822.24
  4. Step 4: Simplify right side
    1,511,112.66x = 1,715,891,151,443.96
  5. Step 5: Solve for x
    x = 1,715,891,151,443.96/1,511,112.66
  6. Step 6: Final answer
    x = 1,135,515.04

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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.