Home / 1,052,663.20-1,576,921.20-978,013.60

Finding the Fourth Proportional to 1,052,663.20, 1,576,921.20 and 978,013.60

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Solution

The fourth proportional to 1,052,663.20, 1,576,921.20 and 978,013.60 is: 1,465,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,663.20 : 1,576,921.20 = 978,013.60 : x
  2. Step 2: Convert to fraction form
    1,052,663.20/1,576,921.20 = 978,013.60/x
  3. Step 3: Cross multiply
    1,052,663.20x = 1,576,921.20 × 978,013.60
  4. Step 4: Simplify right side
    1,052,663.20x = 1,542,250,379,728.32
  5. Step 5: Solve for x
    x = 1,542,250,379,728.32/1,052,663.20
  6. Step 6: Final answer
    x = 1,465,093.85

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