Home / 966,435.62-1,333,987.11-680,791.55

Finding the Fourth Proportional to 966,435.62, 1,333,987.11 and 680,791.55

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Solution

The fourth proportional to 966,435.62, 1,333,987.11 and 680,791.55 is: 939,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,435.62 : 1,333,987.11 = 680,791.55 : x
  2. Step 2: Convert to fraction form
    966,435.62/1,333,987.11 = 680,791.55/x
  3. Step 3: Cross multiply
    966,435.62x = 1,333,987.11 × 680,791.55
  4. Step 4: Simplify right side
    966,435.62x = 908,167,145,626.99
  5. Step 5: Solve for x
    x = 908,167,145,626.99/966,435.62
  6. Step 6: Final answer
    x = 939,707.86

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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.