Home / 1,284,388.82-1,772,380.53-703,496.11

Finding the Fourth Proportional to 1,284,388.82, 1,772,380.53 and 703,496.11

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Solution

The fourth proportional to 1,284,388.82, 1,772,380.53 and 703,496.11 is: 970,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,388.82 : 1,772,380.53 = 703,496.11 : x
  2. Step 2: Convert to fraction form
    1,284,388.82/1,772,380.53 = 703,496.11/x
  3. Step 3: Cross multiply
    1,284,388.82x = 1,772,380.53 × 703,496.11
  4. Step 4: Simplify right side
    1,284,388.82x = 1,246,862,795,915.36
  5. Step 5: Solve for x
    x = 1,246,862,795,915.36/1,284,388.82
  6. Step 6: Final answer
    x = 970,782.97

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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.