Home / 1,239,261.73-1,710,736.30-756,019.47

Finding the Fourth Proportional to 1,239,261.73, 1,710,736.30 and 756,019.47

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Solution

The fourth proportional to 1,239,261.73, 1,710,736.30 and 756,019.47 is: 1,043,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,261.73 : 1,710,736.30 = 756,019.47 : x
  2. Step 2: Convert to fraction form
    1,239,261.73/1,710,736.30 = 756,019.47/x
  3. Step 3: Cross multiply
    1,239,261.73x = 1,710,736.30 × 756,019.47
  4. Step 4: Simplify right side
    1,239,261.73x = 1,293,349,958,196.05
  5. Step 5: Solve for x
    x = 1,293,349,958,196.05/1,239,261.73
  6. Step 6: Final answer
    x = 1,043,645.53

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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.