Home / 1,391,983.03-2,088,151.13-493,249.15

Finding the Fourth Proportional to 1,391,983.03, 2,088,151.13 and 493,249.15

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Solution

The fourth proportional to 1,391,983.03, 2,088,151.13 and 493,249.15 is: 739,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,983.03 : 2,088,151.13 = 493,249.15 : x
  2. Step 2: Convert to fraction form
    1,391,983.03/2,088,151.13 = 493,249.15/x
  3. Step 3: Cross multiply
    1,391,983.03x = 2,088,151.13 × 493,249.15
  4. Step 4: Simplify right side
    1,391,983.03x = 1,029,978,769,944.04
  5. Step 5: Solve for x
    x = 1,029,978,769,944.04/1,391,983.03
  6. Step 6: Final answer
    x = 739,936.30

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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.