Home / 1,420,568.24-1,960,351.94-775,991.30

Finding the Fourth Proportional to 1,420,568.24, 1,960,351.94 and 775,991.30

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Solution

The fourth proportional to 1,420,568.24, 1,960,351.94 and 775,991.30 is: 1,070,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,568.24 : 1,960,351.94 = 775,991.30 : x
  2. Step 2: Convert to fraction form
    1,420,568.24/1,960,351.94 = 775,991.30/x
  3. Step 3: Cross multiply
    1,420,568.24x = 1,960,351.94 × 775,991.30
  4. Step 4: Simplify right side
    1,420,568.24x = 1,521,216,042,516.34
  5. Step 5: Solve for x
    x = 1,521,216,042,516.34/1,420,568.24
  6. Step 6: Final answer
    x = 1,070,850.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.