Home / 1,202,912.55-1,804,368.83-403,928.55

Finding the Fourth Proportional to 1,202,912.55, 1,804,368.83 and 403,928.55

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Solution

The fourth proportional to 1,202,912.55, 1,804,368.83 and 403,928.55 is: 605,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,912.55 : 1,804,368.83 = 403,928.55 : x
  2. Step 2: Convert to fraction form
    1,202,912.55/1,804,368.83 = 403,928.55/x
  3. Step 3: Cross multiply
    1,202,912.55x = 1,804,368.83 × 403,928.55
  4. Step 4: Simplify right side
    1,202,912.55x = 728,836,083,147.45
  5. Step 5: Solve for x
    x = 728,836,083,147.45/1,202,912.55
  6. Step 6: Final answer
    x = 605,892.83

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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.