Home / 1,463,016.39-2,018,965.56-818,447.34

Finding the Fourth Proportional to 1,463,016.39, 2,018,965.56 and 818,447.34

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Solution

The fourth proportional to 1,463,016.39, 2,018,965.56 and 818,447.34 is: 1,129,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,016.39 : 2,018,965.56 = 818,447.34 : x
  2. Step 2: Convert to fraction form
    1,463,016.39/2,018,965.56 = 818,447.34/x
  3. Step 3: Cross multiply
    1,463,016.39x = 2,018,965.56 × 818,447.34
  4. Step 4: Simplify right side
    1,463,016.39x = 1,652,416,992,133.61
  5. Step 5: Solve for x
    x = 1,652,416,992,133.61/1,463,016.39
  6. Step 6: Final answer
    x = 1,129,458.97

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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.