Home / 1,420,776.86-2,131,095.83-522,149.49

Finding the Fourth Proportional to 1,420,776.86, 2,131,095.83 and 522,149.49

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Solution

The fourth proportional to 1,420,776.86, 2,131,095.83 and 522,149.49 is: 783,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,776.86 : 2,131,095.83 = 522,149.49 : x
  2. Step 2: Convert to fraction form
    1,420,776.86/2,131,095.83 = 522,149.49/x
  3. Step 3: Cross multiply
    1,420,776.86x = 2,131,095.83 × 522,149.49
  4. Step 4: Simplify right side
    1,420,776.86x = 1,112,750,598,164.88
  5. Step 5: Solve for x
    x = 1,112,750,598,164.88/1,420,776.86
  6. Step 6: Final answer
    x = 783,198.71

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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.