Home / 1,010,429.75-1,394,393.19-557,720.87

Finding the Fourth Proportional to 1,010,429.75, 1,394,393.19 and 557,720.87

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Solution

The fourth proportional to 1,010,429.75, 1,394,393.19 and 557,720.87 is: 769,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,429.75 : 1,394,393.19 = 557,720.87 : x
  2. Step 2: Convert to fraction form
    1,010,429.75/1,394,393.19 = 557,720.87/x
  3. Step 3: Cross multiply
    1,010,429.75x = 1,394,393.19 × 557,720.87
  4. Step 4: Simplify right side
    1,010,429.75x = 777,682,180,260.27
  5. Step 5: Solve for x
    x = 777,682,180,260.27/1,010,429.75
  6. Step 6: Final answer
    x = 769,654.87

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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.