Home / 1,511,063.32-2,085,318.55-822,761.87

Finding the Fourth Proportional to 1,511,063.32, 2,085,318.55 and 822,761.87

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Solution

The fourth proportional to 1,511,063.32, 2,085,318.55 and 822,761.87 is: 1,135,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,063.32 : 2,085,318.55 = 822,761.87 : x
  2. Step 2: Convert to fraction form
    1,511,063.32/2,085,318.55 = 822,761.87/x
  3. Step 3: Cross multiply
    1,511,063.32x = 2,085,318.55 × 822,761.87
  4. Step 4: Simplify right side
    1,511,063.32x = 1,715,720,582,473.49
  5. Step 5: Solve for x
    x = 1,715,720,582,473.49/1,511,063.32
  6. Step 6: Final answer
    x = 1,135,439.24

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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.