Home / 1,086,172.39-1,629,270.56-328,020.31

Finding the Fourth Proportional to 1,086,172.39, 1,629,270.56 and 328,020.31

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Solution

The fourth proportional to 1,086,172.39, 1,629,270.56 and 328,020.31 is: 492,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,172.39 : 1,629,270.56 = 328,020.31 : x
  2. Step 2: Convert to fraction form
    1,086,172.39/1,629,270.56 = 328,020.31/x
  3. Step 3: Cross multiply
    1,086,172.39x = 1,629,270.56 × 328,020.31
  4. Step 4: Simplify right side
    1,086,172.39x = 534,433,834,165.07
  5. Step 5: Solve for x
    x = 534,433,834,165.07/1,086,172.39
  6. Step 6: Final answer
    x = 492,034.08

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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.