Home / 997,847.82-1,375,412.31-779,675.04

Finding the Fourth Proportional to 997,847.82, 1,375,412.31 and 779,675.04

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Solution

The fourth proportional to 997,847.82, 1,375,412.31 and 779,675.04 is: 1,074,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,847.82 : 1,375,412.31 = 779,675.04 : x
  2. Step 2: Convert to fraction form
    997,847.82/1,375,412.31 = 779,675.04/x
  3. Step 3: Cross multiply
    997,847.82x = 1,375,412.31 × 779,675.04
  4. Step 4: Simplify right side
    997,847.82x = 1,072,374,647,815.74
  5. Step 5: Solve for x
    x = 1,072,374,647,815.74/997,847.82
  6. Step 6: Final answer
    x = 1,074,687.57

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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.