Home / 1,335,183.21-2,003,102.60-388,562.13

Finding the Fourth Proportional to 1,335,183.21, 2,003,102.60 and 388,562.13

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Solution

The fourth proportional to 1,335,183.21, 2,003,102.60 and 388,562.13 is: 582,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,183.21 : 2,003,102.60 = 388,562.13 : x
  2. Step 2: Convert to fraction form
    1,335,183.21/2,003,102.60 = 388,562.13/x
  3. Step 3: Cross multiply
    1,335,183.21x = 2,003,102.60 × 388,562.13
  4. Step 4: Simplify right side
    1,335,183.21x = 778,329,810,921.73
  5. Step 5: Solve for x
    x = 778,329,810,921.73/1,335,183.21
  6. Step 6: Final answer
    x = 582,938.58

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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.