Home / 1,268,648.25-1,902,769.73-369,879.81

Finding the Fourth Proportional to 1,268,648.25, 1,902,769.73 and 369,879.81

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Solution

The fourth proportional to 1,268,648.25, 1,902,769.73 and 369,879.81 is: 554,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,648.25 : 1,902,769.73 = 369,879.81 : x
  2. Step 2: Convert to fraction form
    1,268,648.25/1,902,769.73 = 369,879.81/x
  3. Step 3: Cross multiply
    1,268,648.25x = 1,902,769.73 × 369,879.81
  4. Step 4: Simplify right side
    1,268,648.25x = 703,796,104,356.75
  5. Step 5: Solve for x
    x = 703,796,104,356.75/1,268,648.25
  6. Step 6: Final answer
    x = 554,760.63

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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.