Home / 1,393,513.68-2,089,769.28-482,448.78

Finding the Fourth Proportional to 1,393,513.68, 2,089,769.28 and 482,448.78

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Solution

The fourth proportional to 1,393,513.68, 2,089,769.28 and 482,448.78 is: 723,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,513.68 : 2,089,769.28 = 482,448.78 : x
  2. Step 2: Convert to fraction form
    1,393,513.68/2,089,769.28 = 482,448.78/x
  3. Step 3: Cross multiply
    1,393,513.68x = 2,089,769.28 × 482,448.78
  4. Step 4: Simplify right side
    1,393,513.68x = 1,008,206,639,617.48
  5. Step 5: Solve for x
    x = 1,008,206,639,617.48/1,393,513.68
  6. Step 6: Final answer
    x = 723,499.64

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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.