Home / 1,665,742.20-2,298,696.78-901,789.56

Finding the Fourth Proportional to 1,665,742.20, 2,298,696.78 and 901,789.56

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Solution

The fourth proportional to 1,665,742.20, 2,298,696.78 and 901,789.56 is: 1,244,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,742.20 : 2,298,696.78 = 901,789.56 : x
  2. Step 2: Convert to fraction form
    1,665,742.20/2,298,696.78 = 901,789.56/x
  3. Step 3: Cross multiply
    1,665,742.20x = 2,298,696.78 × 901,789.56
  4. Step 4: Simplify right side
    1,665,742.20x = 2,072,940,757,809.62
  5. Step 5: Solve for x
    x = 2,072,940,757,809.62/1,665,742.20
  6. Step 6: Final answer
    x = 1,244,454.73

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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.