Home / 1,279,428.66-1,763,272.53-848,949.30

Finding the Fourth Proportional to 1,279,428.66, 1,763,272.53 and 848,949.30

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Solution

The fourth proportional to 1,279,428.66, 1,763,272.53 and 848,949.30 is: 1,169,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,428.66 : 1,763,272.53 = 848,949.30 : x
  2. Step 2: Convert to fraction form
    1,279,428.66/1,763,272.53 = 848,949.30/x
  3. Step 3: Cross multiply
    1,279,428.66x = 1,763,272.53 × 848,949.30
  4. Step 4: Simplify right side
    1,279,428.66x = 1,496,928,980,052.73
  5. Step 5: Solve for x
    x = 1,496,928,980,052.73/1,279,428.66
  6. Step 6: Final answer
    x = 1,169,998.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.