Home / 1,419,791.09-1,959,296.85-775,209.29

Finding the Fourth Proportional to 1,419,791.09, 1,959,296.85 and 775,209.29

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Solution

The fourth proportional to 1,419,791.09, 1,959,296.85 and 775,209.29 is: 1,069,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,791.09 : 1,959,296.85 = 775,209.29 : x
  2. Step 2: Convert to fraction form
    1,419,791.09/1,959,296.85 = 775,209.29/x
  3. Step 3: Cross multiply
    1,419,791.09x = 1,959,296.85 × 775,209.29
  4. Step 4: Simplify right side
    1,419,791.09x = 1,518,865,119,987.74
  5. Step 5: Solve for x
    x = 1,518,865,119,987.74/1,419,791.09
  6. Step 6: Final answer
    x = 1,069,780.71

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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.