Home / 990,383.13-1,373,720.99-964,132.83

Finding the Fourth Proportional to 990,383.13, 1,373,720.99 and 964,132.83

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Solution

The fourth proportional to 990,383.13, 1,373,720.99 and 964,132.83 is: 1,337,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,383.13 : 1,373,720.99 = 964,132.83 : x
  2. Step 2: Convert to fraction form
    990,383.13/1,373,720.99 = 964,132.83/x
  3. Step 3: Cross multiply
    990,383.13x = 1,373,720.99 × 964,132.83
  4. Step 4: Simplify right side
    990,383.13x = 1,324,449,500,898.44
  5. Step 5: Solve for x
    x = 1,324,449,500,898.44/990,383.13
  6. Step 6: Final answer
    x = 1,337,310.24

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.