Home / 1,465,785.48-2,022,997.72-821,249.32

Finding the Fourth Proportional to 1,465,785.48, 2,022,997.72 and 821,249.32

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Solution

The fourth proportional to 1,465,785.48, 2,022,997.72 and 821,249.32 is: 1,133,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,785.48 : 2,022,997.72 = 821,249.32 : x
  2. Step 2: Convert to fraction form
    1,465,785.48/2,022,997.72 = 821,249.32/x
  3. Step 3: Cross multiply
    1,465,785.48x = 2,022,997.72 × 821,249.32
  4. Step 4: Simplify right side
    1,465,785.48x = 1,661,385,501,911.55
  5. Step 5: Solve for x
    x = 1,661,385,501,911.55/1,465,785.48
  6. Step 6: Final answer
    x = 1,133,443.83

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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.