Home / 1,384,958.31-2,078,168.89-982,749.49

Finding the Fourth Proportional to 1,384,958.31, 2,078,168.89 and 982,749.49

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Solution

The fourth proportional to 1,384,958.31, 2,078,168.89 and 982,749.49 is: 1,474,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,958.31 : 2,078,168.89 = 982,749.49 : x
  2. Step 2: Convert to fraction form
    1,384,958.31/2,078,168.89 = 982,749.49/x
  3. Step 3: Cross multiply
    1,384,958.31x = 2,078,168.89 × 982,749.49
  4. Step 4: Simplify right side
    1,384,958.31x = 2,042,319,416,781.37
  5. Step 5: Solve for x
    x = 2,042,319,416,781.37/1,384,958.31
  6. Step 6: Final answer
    x = 1,474,643.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.