Home / 1,086,054.24-1,629,159.30-287,326.34

Finding the Fourth Proportional to 1,086,054.24, 1,629,159.30 and 287,326.34

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Solution

The fourth proportional to 1,086,054.24, 1,629,159.30 and 287,326.34 is: 431,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,054.24 : 1,629,159.30 = 287,326.34 : x
  2. Step 2: Convert to fraction form
    1,086,054.24/1,629,159.30 = 287,326.34/x
  3. Step 3: Cross multiply
    1,086,054.24x = 1,629,159.30 × 287,326.34
  4. Step 4: Simplify right side
    1,086,054.24x = 468,100,378,945.96
  5. Step 5: Solve for x
    x = 468,100,378,945.96/1,086,054.24
  6. Step 6: Final answer
    x = 431,010.13

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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.