Home / 1,010,371.26-1,394,213.07-557,633.10

Finding the Fourth Proportional to 1,010,371.26, 1,394,213.07 and 557,633.10

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Solution

The fourth proportional to 1,010,371.26, 1,394,213.07 and 557,633.10 is: 769,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,371.26 : 1,394,213.07 = 557,633.10 : x
  2. Step 2: Convert to fraction form
    1,010,371.26/1,394,213.07 = 557,633.10/x
  3. Step 3: Cross multiply
    1,010,371.26x = 1,394,213.07 × 557,633.10
  4. Step 4: Simplify right side
    1,010,371.26x = 777,459,356,284.62
  5. Step 5: Solve for x
    x = 777,459,356,284.62/1,010,371.26
  6. Step 6: Final answer
    x = 769,478.89

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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.