Home / 1,760,291.82-2,640,849.62-545,804.55

Finding the Fourth Proportional to 1,760,291.82, 2,640,849.62 and 545,804.55

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Solution

The fourth proportional to 1,760,291.82, 2,640,849.62 and 545,804.55 is: 818,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,291.82 : 2,640,849.62 = 545,804.55 : x
  2. Step 2: Convert to fraction form
    1,760,291.82/2,640,849.62 = 545,804.55/x
  3. Step 3: Cross multiply
    1,760,291.82x = 2,640,849.62 × 545,804.55
  4. Step 4: Simplify right side
    1,760,291.82x = 1,441,387,735,732.75
  5. Step 5: Solve for x
    x = 1,441,387,735,732.75/1,760,291.82
  6. Step 6: Final answer
    x = 818,834.54

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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.