Home / 1,135,520.10-1,703,989.25-756,706.64

Finding the Fourth Proportional to 1,135,520.10, 1,703,989.25 and 756,706.64

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Solution

The fourth proportional to 1,135,520.10, 1,703,989.25 and 756,706.64 is: 1,135,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,520.10 : 1,703,989.25 = 756,706.64 : x
  2. Step 2: Convert to fraction form
    1,135,520.10/1,703,989.25 = 756,706.64/x
  3. Step 3: Cross multiply
    1,135,520.10x = 1,703,989.25 × 756,706.64
  4. Step 4: Simplify right side
    1,135,520.10x = 1,289,419,974,519.54
  5. Step 5: Solve for x
    x = 1,289,419,974,519.54/1,135,520.10
  6. Step 6: Final answer
    x = 1,135,532.50

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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.