Home / 1,010,320.49-1,394,239.42-557,608.25

Finding the Fourth Proportional to 1,010,320.49, 1,394,239.42 and 557,608.25

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Solution

The fourth proportional to 1,010,320.49, 1,394,239.42 and 557,608.25 is: 769,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,320.49 : 1,394,239.42 = 557,608.25 : x
  2. Step 2: Convert to fraction form
    1,010,320.49/1,394,239.42 = 557,608.25/x
  3. Step 3: Cross multiply
    1,010,320.49x = 1,394,239.42 × 557,608.25
  4. Step 4: Simplify right side
    1,010,320.49x = 777,439,403,067.22
  5. Step 5: Solve for x
    x = 777,439,403,067.22/1,010,320.49
  6. Step 6: Final answer
    x = 769,497.81

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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.