Home / 1,221,296.06-1,684,285.44-762,453.13

Finding the Fourth Proportional to 1,221,296.06, 1,684,285.44 and 762,453.13

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Solution

The fourth proportional to 1,221,296.06, 1,684,285.44 and 762,453.13 is: 1,051,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,296.06 : 1,684,285.44 = 762,453.13 : x
  2. Step 2: Convert to fraction form
    1,221,296.06/1,684,285.44 = 762,453.13/x
  3. Step 3: Cross multiply
    1,221,296.06x = 1,684,285.44 × 762,453.13
  4. Step 4: Simplify right side
    1,221,296.06x = 1,284,188,705,541.43
  5. Step 5: Solve for x
    x = 1,284,188,705,541.43/1,221,296.06
  6. Step 6: Final answer
    x = 1,051,496.64

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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.