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Finding the Fourth Proportional to 997,369.62, 1,375,435.80 and 794,091.57

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Solution

The fourth proportional to 997,369.62, 1,375,435.80 and 794,091.57 is: 1,095,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,369.62 : 1,375,435.80 = 794,091.57 : x
  2. Step 2: Convert to fraction form
    997,369.62/1,375,435.80 = 794,091.57/x
  3. Step 3: Cross multiply
    997,369.62x = 1,375,435.80 × 794,091.57
  4. Step 4: Simplify right side
    997,369.62x = 1,092,221,973,856.21
  5. Step 5: Solve for x
    x = 1,092,221,973,856.21/997,369.62
  6. Step 6: Final answer
    x = 1,095,102.51

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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.