Home / 1,010,372.76-1,394,215.14-557,634.60

Finding the Fourth Proportional to 1,010,372.76, 1,394,215.14 and 557,634.60

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Solution

The fourth proportional to 1,010,372.76, 1,394,215.14 and 557,634.60 is: 769,480.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,372.76 : 1,394,215.14 = 557,634.60 : x
  2. Step 2: Convert to fraction form
    1,010,372.76/1,394,215.14 = 557,634.60/x
  3. Step 3: Cross multiply
    1,010,372.76x = 1,394,215.14 × 557,634.60
  4. Step 4: Simplify right side
    1,010,372.76x = 777,462,601,907.84
  5. Step 5: Solve for x
    x = 777,462,601,907.84/1,010,372.76
  6. Step 6: Final answer
    x = 769,480.96

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Double scale
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1.5x scale

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.