Home / 1,022,822.72-1,534,086.16-312,660.08

Finding the Fourth Proportional to 1,022,822.72, 1,534,086.16 and 312,660.08

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Solution

The fourth proportional to 1,022,822.72, 1,534,086.16 and 312,660.08 is: 468,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,822.72 : 1,534,086.16 = 312,660.08 : x
  2. Step 2: Convert to fraction form
    1,022,822.72/1,534,086.16 = 312,660.08/x
  3. Step 3: Cross multiply
    1,022,822.72x = 1,534,086.16 × 312,660.08
  4. Step 4: Simplify right side
    1,022,822.72x = 479,647,501,512.49
  5. Step 5: Solve for x
    x = 479,647,501,512.49/1,022,822.72
  6. Step 6: Final answer
    x = 468,944.90

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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.