Home / 1,203,381.78-1,659,710.25-1,022,691.84

Finding the Fourth Proportional to 1,203,381.78, 1,659,710.25 and 1,022,691.84

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Solution

The fourth proportional to 1,203,381.78, 1,659,710.25 and 1,022,691.84 is: 1,410,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,381.78 : 1,659,710.25 = 1,022,691.84 : x
  2. Step 2: Convert to fraction form
    1,203,381.78/1,659,710.25 = 1,022,691.84/x
  3. Step 3: Cross multiply
    1,203,381.78x = 1,659,710.25 × 1,022,691.84
  4. Step 4: Simplify right side
    1,203,381.78x = 1,697,372,121,140.81
  5. Step 5: Solve for x
    x = 1,697,372,121,140.81/1,203,381.78
  6. Step 6: Final answer
    x = 1,410,501.77

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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.