Home / 1,081,102.82-1,492,276.30-758,892.11

Finding the Fourth Proportional to 1,081,102.82, 1,492,276.30 and 758,892.11

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Solution

The fourth proportional to 1,081,102.82, 1,492,276.30 and 758,892.11 is: 1,047,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,102.82 : 1,492,276.30 = 758,892.11 : x
  2. Step 2: Convert to fraction form
    1,081,102.82/1,492,276.30 = 758,892.11/x
  3. Step 3: Cross multiply
    1,081,102.82x = 1,492,276.30 × 758,892.11
  4. Step 4: Simplify right side
    1,081,102.82x = 1,132,476,700,651.38
  5. Step 5: Solve for x
    x = 1,132,476,700,651.38/1,081,102.82
  6. Step 6: Final answer
    x = 1,047,519.89

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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.