Home / 762,103.11-1,143,920.14-677,269.38

Finding the Fourth Proportional to 762,103.11, 1,143,920.14 and 677,269.38

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Solution

The fourth proportional to 762,103.11, 1,143,920.14 and 677,269.38 is: 1,016,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,103.11 : 1,143,920.14 = 677,269.38 : x
  2. Step 2: Convert to fraction form
    762,103.11/1,143,920.14 = 677,269.38/x
  3. Step 3: Cross multiply
    762,103.11x = 1,143,920.14 × 677,269.38
  4. Step 4: Simplify right side
    762,103.11x = 774,742,086,583.84
  5. Step 5: Solve for x
    x = 774,742,086,583.84/762,103.11
  6. Step 6: Final answer
    x = 1,016,584.33

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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.