Home / 1,180,296.12-1,628,747.82-643,648.44

Finding the Fourth Proportional to 1,180,296.12, 1,628,747.82 and 643,648.44

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Solution

The fourth proportional to 1,180,296.12, 1,628,747.82 and 643,648.44 is: 888,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,296.12 : 1,628,747.82 = 643,648.44 : x
  2. Step 2: Convert to fraction form
    1,180,296.12/1,628,747.82 = 643,648.44/x
  3. Step 3: Cross multiply
    1,180,296.12x = 1,628,747.82 × 643,648.44
  4. Step 4: Simplify right side
    1,180,296.12x = 1,048,340,993,496.40
  5. Step 5: Solve for x
    x = 1,048,340,993,496.40/1,180,296.12
  6. Step 6: Final answer
    x = 888,201.68

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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.