Home / 1,508,434.25-2,081,682.57-919,768.21

Finding the Fourth Proportional to 1,508,434.25, 2,081,682.57 and 919,768.21

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Solution

The fourth proportional to 1,508,434.25, 2,081,682.57 and 919,768.21 is: 1,269,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,434.25 : 2,081,682.57 = 919,768.21 : x
  2. Step 2: Convert to fraction form
    1,508,434.25/2,081,682.57 = 919,768.21/x
  3. Step 3: Cross multiply
    1,508,434.25x = 2,081,682.57 × 919,768.21
  4. Step 4: Simplify right side
    1,508,434.25x = 1,914,665,449,442.02
  5. Step 5: Solve for x
    x = 1,914,665,449,442.02/1,508,434.25
  6. Step 6: Final answer
    x = 1,269,306.54

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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.