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Finding the Fourth Proportional to 1,393,383, 2,089,572.96 and 482,317.92

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Solution

The fourth proportional to 1,393,383, 2,089,572.96 and 482,317.92 is: 723,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,383 : 2,089,572.96 = 482,317.92 : x
  2. Step 2: Convert to fraction form
    1,393,383/2,089,572.96 = 482,317.92/x
  3. Step 3: Cross multiply
    1,393,383x = 2,089,572.96 × 482,317.92
  4. Step 4: Simplify right side
    1,393,383x = 1,007,838,483,755.44
  5. Step 5: Solve for x
    x = 1,007,838,483,755.44/1,393,383
  6. Step 6: Final answer
    x = 723,303.27

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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.