Home / 1,428,297.44-2,143,003.84-629,017.28

Finding the Fourth Proportional to 1,428,297.44, 2,143,003.84 and 629,017.28

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Solution

The fourth proportional to 1,428,297.44, 2,143,003.84 and 629,017.28 is: 943,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,297.44 : 2,143,003.84 = 629,017.28 : x
  2. Step 2: Convert to fraction form
    1,428,297.44/2,143,003.84 = 629,017.28/x
  3. Step 3: Cross multiply
    1,428,297.44x = 2,143,003.84 × 629,017.28
  4. Step 4: Simplify right side
    1,428,297.44x = 1,347,986,446,466.36
  5. Step 5: Solve for x
    x = 1,347,986,446,466.36/1,428,297.44
  6. Step 6: Final answer
    x = 943,771.52

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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.