Home / 1,055,072.82-1,582,604.46-256,356.51

Finding the Fourth Proportional to 1,055,072.82, 1,582,604.46 and 256,356.51

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Solution

The fourth proportional to 1,055,072.82, 1,582,604.46 and 256,356.51 is: 384,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,072.82 : 1,582,604.46 = 256,356.51 : x
  2. Step 2: Convert to fraction form
    1,055,072.82/1,582,604.46 = 256,356.51/x
  3. Step 3: Cross multiply
    1,055,072.82x = 1,582,604.46 × 256,356.51
  4. Step 4: Simplify right side
    1,055,072.82x = 405,710,956,076.04
  5. Step 5: Solve for x
    x = 405,710,956,076.04/1,055,072.82
  6. Step 6: Final answer
    x = 384,533.61

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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.