Home / 1,119,447.33-1,679,162.63-320,729.55

Finding the Fourth Proportional to 1,119,447.33, 1,679,162.63 and 320,729.55

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Solution

The fourth proportional to 1,119,447.33, 1,679,162.63 and 320,729.55 is: 481,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,447.33 : 1,679,162.63 = 320,729.55 : x
  2. Step 2: Convert to fraction form
    1,119,447.33/1,679,162.63 = 320,729.55/x
  3. Step 3: Cross multiply
    1,119,447.33x = 1,679,162.63 × 320,729.55
  4. Step 4: Simplify right side
    1,119,447.33x = 538,557,073,093.07
  5. Step 5: Solve for x
    x = 538,557,073,093.07/1,119,447.33
  6. Step 6: Final answer
    x = 481,091.93

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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.