Home / 1,247,910.36-1,721,968.09-704,014.39

Finding the Fourth Proportional to 1,247,910.36, 1,721,968.09 and 704,014.39

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Solution

The fourth proportional to 1,247,910.36, 1,721,968.09 and 704,014.39 is: 971,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,910.36 : 1,721,968.09 = 704,014.39 : x
  2. Step 2: Convert to fraction form
    1,247,910.36/1,721,968.09 = 704,014.39/x
  3. Step 3: Cross multiply
    1,247,910.36x = 1,721,968.09 × 704,014.39
  4. Step 4: Simplify right side
    1,247,910.36x = 1,212,290,314,480.82
  5. Step 5: Solve for x
    x = 1,212,290,314,480.82/1,247,910.36
  6. Step 6: Final answer
    x = 971,456.25

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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.