Home / 827,183.21-1,241,837.42-637,763.90

Finding the Fourth Proportional to 827,183.21, 1,241,837.42 and 637,763.90

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Solution

The fourth proportional to 827,183.21, 1,241,837.42 and 637,763.90 is: 957,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,183.21 : 1,241,837.42 = 637,763.90 : x
  2. Step 2: Convert to fraction form
    827,183.21/1,241,837.42 = 637,763.90/x
  3. Step 3: Cross multiply
    827,183.21x = 1,241,837.42 × 637,763.90
  4. Step 4: Simplify right side
    827,183.21x = 791,999,069,138.75
  5. Step 5: Solve for x
    x = 791,999,069,138.75/827,183.21
  6. Step 6: Final answer
    x = 957,465.12

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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.