Home / 1,463,145.72-2,019,126.22-809,773.02

Finding the Fourth Proportional to 1,463,145.72, 2,019,126.22 and 809,773.02

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Solution

The fourth proportional to 1,463,145.72, 2,019,126.22 and 809,773.02 is: 1,117,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,145.72 : 2,019,126.22 = 809,773.02 : x
  2. Step 2: Convert to fraction form
    1,463,145.72/2,019,126.22 = 809,773.02/x
  3. Step 3: Cross multiply
    1,463,145.72x = 2,019,126.22 × 809,773.02
  4. Step 4: Simplify right side
    1,463,145.72x = 1,635,033,936,930.58
  5. Step 5: Solve for x
    x = 1,635,033,936,930.58/1,463,145.72
  6. Step 6: Final answer
    x = 1,117,478.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.