Home / 1,393,493.42-2,089,738.95-482,428.51

Finding the Fourth Proportional to 1,393,493.42, 2,089,738.95 and 482,428.51

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Solution

The fourth proportional to 1,393,493.42, 2,089,738.95 and 482,428.51 is: 723,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,493.42 : 2,089,738.95 = 482,428.51 : x
  2. Step 2: Convert to fraction form
    1,393,493.42/2,089,738.95 = 482,428.51/x
  3. Step 3: Cross multiply
    1,393,493.42x = 2,089,738.95 × 482,428.51
  4. Step 4: Simplify right side
    1,393,493.42x = 1,008,149,640,904.01
  5. Step 5: Solve for x
    x = 1,008,149,640,904.01/1,393,493.42
  6. Step 6: Final answer
    x = 723,469.25

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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.