Home / 1,109,843.69-1,664,129.66-341,141.21

Finding the Fourth Proportional to 1,109,843.69, 1,664,129.66 and 341,141.21

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Solution

The fourth proportional to 1,109,843.69, 1,664,129.66 and 341,141.21 is: 511,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,843.69 : 1,664,129.66 = 341,141.21 : x
  2. Step 2: Convert to fraction form
    1,109,843.69/1,664,129.66 = 341,141.21/x
  3. Step 3: Cross multiply
    1,109,843.69x = 1,664,129.66 × 341,141.21
  4. Step 4: Simplify right side
    1,109,843.69x = 567,703,201,602.16
  5. Step 5: Solve for x
    x = 567,703,201,602.16/1,109,843.69
  6. Step 6: Final answer
    x = 511,516.36

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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.