Home / 1,393,662.87-2,089,082.49-944,429.19

Finding the Fourth Proportional to 1,393,662.87, 2,089,082.49 and 944,429.19

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Solution

The fourth proportional to 1,393,662.87, 2,089,082.49 and 944,429.19 is: 1,415,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,662.87 : 2,089,082.49 = 944,429.19 : x
  2. Step 2: Convert to fraction form
    1,393,662.87/2,089,082.49 = 944,429.19/x
  3. Step 3: Cross multiply
    1,393,662.87x = 2,089,082.49 × 944,429.19
  4. Step 4: Simplify right side
    1,393,662.87x = 1,972,990,483,873.88
  5. Step 5: Solve for x
    x = 1,972,990,483,873.88/1,393,662.87
  6. Step 6: Final answer
    x = 1,415,687.05

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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.