Home / 1,123,322.30-1,684,983.45-324,629.90

Finding the Fourth Proportional to 1,123,322.30, 1,684,983.45 and 324,629.90

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Solution

The fourth proportional to 1,123,322.30, 1,684,983.45 and 324,629.90 is: 486,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,322.30 : 1,684,983.45 = 324,629.90 : x
  2. Step 2: Convert to fraction form
    1,123,322.30/1,684,983.45 = 324,629.90/x
  3. Step 3: Cross multiply
    1,123,322.30x = 1,684,983.45 × 324,629.90
  4. Step 4: Simplify right side
    1,123,322.30x = 546,996,008,875.16
  5. Step 5: Solve for x
    x = 546,996,008,875.16/1,123,322.30
  6. Step 6: Final answer
    x = 486,944.85

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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.