Home / 1,010,592.75-1,394,618.40-557,883.75

Finding the Fourth Proportional to 1,010,592.75, 1,394,618.40 and 557,883.75

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Solution

The fourth proportional to 1,010,592.75, 1,394,618.40 and 557,883.75 is: 769,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,592.75 : 1,394,618.40 = 557,883.75 : x
  2. Step 2: Convert to fraction form
    1,010,592.75/1,394,618.40 = 557,883.75/x
  3. Step 3: Cross multiply
    1,010,592.75x = 1,394,618.40 × 557,883.75
  4. Step 4: Simplify right side
    1,010,592.75x = 778,034,942,811
  5. Step 5: Solve for x
    x = 778,034,942,811/1,010,592.75
  6. Step 6: Final answer
    x = 769,879.80

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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.