Home / 1,010,321.24-1,394,240.46-557,609

Finding the Fourth Proportional to 1,010,321.24, 1,394,240.46 and 557,609

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Solution

The fourth proportional to 1,010,321.24, 1,394,240.46 and 557,609 is: 769,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,321.24 : 1,394,240.46 = 557,609 : x
  2. Step 2: Convert to fraction form
    1,010,321.24/1,394,240.46 = 557,609/x
  3. Step 3: Cross multiply
    1,010,321.24x = 1,394,240.46 × 557,609
  4. Step 4: Simplify right side
    1,010,321.24x = 777,441,028,660.14
  5. Step 5: Solve for x
    x = 777,441,028,660.14/1,010,321.24
  6. Step 6: Final answer
    x = 769,498.85

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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.