Home / 1,082,429.12-1,494,052.44-629,807.60

Finding the Fourth Proportional to 1,082,429.12, 1,494,052.44 and 629,807.60

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Solution

The fourth proportional to 1,082,429.12, 1,494,052.44 and 629,807.60 is: 869,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,429.12 : 1,494,052.44 = 629,807.60 : x
  2. Step 2: Convert to fraction form
    1,082,429.12/1,494,052.44 = 629,807.60/x
  3. Step 3: Cross multiply
    1,082,429.12x = 1,494,052.44 × 629,807.60
  4. Step 4: Simplify right side
    1,082,429.12x = 940,965,581,510.54
  5. Step 5: Solve for x
    x = 940,965,581,510.54/1,082,429.12
  6. Step 6: Final answer
    x = 869,309.19

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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.