Home / 1,054,272.51-1,581,394.79-255,561.28

Finding the Fourth Proportional to 1,054,272.51, 1,581,394.79 and 255,561.28

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Solution

The fourth proportional to 1,054,272.51, 1,581,394.79 and 255,561.28 is: 383,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,272.51 : 1,581,394.79 = 255,561.28 : x
  2. Step 2: Convert to fraction form
    1,054,272.51/1,581,394.79 = 255,561.28/x
  3. Step 3: Cross multiply
    1,054,272.51x = 1,581,394.79 × 255,561.28
  4. Step 4: Simplify right side
    1,054,272.51x = 404,143,273,403.15
  5. Step 5: Solve for x
    x = 404,143,273,403.15/1,054,272.51
  6. Step 6: Final answer
    x = 383,338.53

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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.