Home / 885,122.69-1,327,679.59-764,813.57

Finding the Fourth Proportional to 885,122.69, 1,327,679.59 and 764,813.57

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Solution

The fourth proportional to 885,122.69, 1,327,679.59 and 764,813.57 is: 1,147,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,122.69 : 1,327,679.59 = 764,813.57 : x
  2. Step 2: Convert to fraction form
    885,122.69/1,327,679.59 = 764,813.57/x
  3. Step 3: Cross multiply
    885,122.69x = 1,327,679.59 × 764,813.57
  4. Step 4: Simplify right side
    885,122.69x = 1,015,427,371,135.00
  5. Step 5: Solve for x
    x = 1,015,427,371,135.00/885,122.69
  6. Step 6: Final answer
    x = 1,147,216.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.