Home / 1,188,122.40-1,782,183.60-548,424.90

Finding the Fourth Proportional to 1,188,122.40, 1,782,183.60 and 548,424.90

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Solution

The fourth proportional to 1,188,122.40, 1,782,183.60 and 548,424.90 is: 822,637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,122.40 : 1,782,183.60 = 548,424.90 : x
  2. Step 2: Convert to fraction form
    1,188,122.40/1,782,183.60 = 548,424.90/x
  3. Step 3: Cross multiply
    1,188,122.40x = 1,782,183.60 × 548,424.90
  4. Step 4: Simplify right side
    1,188,122.40x = 977,393,862,611.64
  5. Step 5: Solve for x
    x = 977,393,862,611.64/1,188,122.40
  6. Step 6: Final answer
    x = 822,637.35

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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.