Home / 1,511,154.31-2,085,374.78-822,825.96

Finding the Fourth Proportional to 1,511,154.31, 2,085,374.78 and 822,825.96

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Solution

The fourth proportional to 1,511,154.31, 2,085,374.78 and 822,825.96 is: 1,135,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,154.31 : 2,085,374.78 = 822,825.96 : x
  2. Step 2: Convert to fraction form
    1,511,154.31/2,085,374.78 = 822,825.96/x
  3. Step 3: Cross multiply
    1,511,154.31x = 2,085,374.78 × 822,825.96
  4. Step 4: Simplify right side
    1,511,154.31x = 1,715,900,505,313.29
  5. Step 5: Solve for x
    x = 1,715,900,505,313.29/1,511,154.31
  6. Step 6: Final answer
    x = 1,135,489.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.