Home / 1,511,154.81-2,085,375.47-822,826.46

Finding the Fourth Proportional to 1,511,154.81, 2,085,375.47 and 822,826.46

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Solution

The fourth proportional to 1,511,154.81, 2,085,375.47 and 822,826.46 is: 1,135,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,154.81 : 2,085,375.47 = 822,826.46 : x
  2. Step 2: Convert to fraction form
    1,511,154.81/2,085,375.47 = 822,826.46/x
  3. Step 3: Cross multiply
    1,511,154.81x = 2,085,375.47 × 822,826.46
  4. Step 4: Simplify right side
    1,511,154.81x = 1,715,902,115,750.94
  5. Step 5: Solve for x
    x = 1,715,902,115,750.94/1,511,154.81
  6. Step 6: Final answer
    x = 1,135,490.62

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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.