Home / 1,102,321.86-1,652,839.24-427,614.76

Finding the Fourth Proportional to 1,102,321.86, 1,652,839.24 and 427,614.76

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Solution

The fourth proportional to 1,102,321.86, 1,652,839.24 and 427,614.76 is: 641,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,321.86 : 1,652,839.24 = 427,614.76 : x
  2. Step 2: Convert to fraction form
    1,102,321.86/1,652,839.24 = 427,614.76/x
  3. Step 3: Cross multiply
    1,102,321.86x = 1,652,839.24 × 427,614.76
  4. Step 4: Simplify right side
    1,102,321.86x = 706,778,456,729.97
  5. Step 5: Solve for x
    x = 706,778,456,729.97/1,102,321.86
  6. Step 6: Final answer
    x = 641,172.49

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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.