Home / 1,111,711.68-1,667,665.92-313,000.08

Finding the Fourth Proportional to 1,111,711.68, 1,667,665.92 and 313,000.08

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Solution

The fourth proportional to 1,111,711.68, 1,667,665.92 and 313,000.08 is: 469,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,711.68 : 1,667,665.92 = 313,000.08 : x
  2. Step 2: Convert to fraction form
    1,111,711.68/1,667,665.92 = 313,000.08/x
  3. Step 3: Cross multiply
    1,111,711.68x = 1,667,665.92 × 313,000.08
  4. Step 4: Simplify right side
    1,111,711.68x = 521,979,566,373.27
  5. Step 5: Solve for x
    x = 521,979,566,373.27/1,111,711.68
  6. Step 6: Final answer
    x = 469,527.82

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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.