Home / 1,078,545.20-1,617,040.20-605,375.60

Finding the Fourth Proportional to 1,078,545.20, 1,617,040.20 and 605,375.60

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Solution

The fourth proportional to 1,078,545.20, 1,617,040.20 and 605,375.60 is: 907,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,545.20 : 1,617,040.20 = 605,375.60 : x
  2. Step 2: Convert to fraction form
    1,078,545.20/1,617,040.20 = 605,375.60/x
  3. Step 3: Cross multiply
    1,078,545.20x = 1,617,040.20 × 605,375.60
  4. Step 4: Simplify right side
    1,078,545.20x = 978,916,681,299.12
  5. Step 5: Solve for x
    x = 978,916,681,299.12/1,078,545.20
  6. Step 6: Final answer
    x = 907,626.94

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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.