Home / 1,055,112.28-1,582,664.32-256,396.19

Finding the Fourth Proportional to 1,055,112.28, 1,582,664.32 and 256,396.19

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Solution

The fourth proportional to 1,055,112.28, 1,582,664.32 and 256,396.19 is: 384,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,112.28 : 1,582,664.32 = 256,396.19 : x
  2. Step 2: Convert to fraction form
    1,055,112.28/1,582,664.32 = 256,396.19/x
  3. Step 3: Cross multiply
    1,055,112.28x = 1,582,664.32 × 256,396.19
  4. Step 4: Simplify right side
    1,055,112.28x = 405,789,092,661.89
  5. Step 5: Solve for x
    x = 405,789,092,661.89/1,055,112.28
  6. Step 6: Final answer
    x = 384,593.28

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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.