Home / 1,689,170.76-2,331,086.04-925,175.12

Finding the Fourth Proportional to 1,689,170.76, 2,331,086.04 and 925,175.12

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Solution

The fourth proportional to 1,689,170.76, 2,331,086.04 and 925,175.12 is: 1,276,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,170.76 : 2,331,086.04 = 925,175.12 : x
  2. Step 2: Convert to fraction form
    1,689,170.76/2,331,086.04 = 925,175.12/x
  3. Step 3: Cross multiply
    1,689,170.76x = 2,331,086.04 × 925,175.12
  4. Step 4: Simplify right side
    1,689,170.76x = 2,156,662,795,131.89
  5. Step 5: Solve for x
    x = 2,156,662,795,131.89/1,689,170.76
  6. Step 6: Final answer
    x = 1,276,758.30

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Double scale
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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.