Home / 1,055,255.39-1,582,871.63-256,537.78

Finding the Fourth Proportional to 1,055,255.39, 1,582,871.63 and 256,537.78

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Solution

The fourth proportional to 1,055,255.39, 1,582,871.63 and 256,537.78 is: 384,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,255.39 : 1,582,871.63 = 256,537.78 : x
  2. Step 2: Convert to fraction form
    1,055,255.39/1,582,871.63 = 256,537.78/x
  3. Step 3: Cross multiply
    1,055,255.39x = 1,582,871.63 × 256,537.78
  4. Step 4: Simplify right side
    1,055,255.39x = 406,066,377,648.97
  5. Step 5: Solve for x
    x = 406,066,377,648.97/1,055,255.39
  6. Step 6: Final answer
    x = 384,803.89

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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.