Home / 1,111,704.33-1,667,654.96-312,992.79

Finding the Fourth Proportional to 1,111,704.33, 1,667,654.96 and 312,992.79

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Solution

The fourth proportional to 1,111,704.33, 1,667,654.96 and 312,992.79 is: 469,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,704.33 : 1,667,654.96 = 312,992.79 : x
  2. Step 2: Convert to fraction form
    1,111,704.33/1,667,654.96 = 312,992.79/x
  3. Step 3: Cross multiply
    1,111,704.33x = 1,667,654.96 × 312,992.79
  4. Step 4: Simplify right side
    1,111,704.33x = 521,963,977,122.77
  5. Step 5: Solve for x
    x = 521,963,977,122.77/1,111,704.33
  6. Step 6: Final answer
    x = 469,516.91

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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.