Home / 1,288,338.56-1,932,024-446,687.36

Finding the Fourth Proportional to 1,288,338.56, 1,932,024 and 446,687.36

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Solution

The fourth proportional to 1,288,338.56, 1,932,024 and 446,687.36 is: 669,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,338.56 : 1,932,024 = 446,687.36 : x
  2. Step 2: Convert to fraction form
    1,288,338.56/1,932,024 = 446,687.36/x
  3. Step 3: Cross multiply
    1,288,338.56x = 1,932,024 × 446,687.36
  4. Step 4: Simplify right side
    1,288,338.56x = 863,010,700,016.64
  5. Step 5: Solve for x
    x = 863,010,700,016.64/1,288,338.56
  6. Step 6: Final answer
    x = 669,863.29

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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.