Home / 1,294,706.91-1,942,066.50-396,147.21

Finding the Fourth Proportional to 1,294,706.91, 1,942,066.50 and 396,147.21

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Solution

The fourth proportional to 1,294,706.91, 1,942,066.50 and 396,147.21 is: 594,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,706.91 : 1,942,066.50 = 396,147.21 : x
  2. Step 2: Convert to fraction form
    1,294,706.91/1,942,066.50 = 396,147.21/x
  3. Step 3: Cross multiply
    1,294,706.91x = 1,942,066.50 × 396,147.21
  4. Step 4: Simplify right side
    1,294,706.91x = 769,344,225,609.47
  5. Step 5: Solve for x
    x = 769,344,225,609.47/1,294,706.91
  6. Step 6: Final answer
    x = 594,222.69

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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.