Home / 1,086,479.19-1,629,172.04-376,316.55

Finding the Fourth Proportional to 1,086,479.19, 1,629,172.04 and 376,316.55

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Solution

The fourth proportional to 1,086,479.19, 1,629,172.04 and 376,316.55 is: 564,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,479.19 : 1,629,172.04 = 376,316.55 : x
  2. Step 2: Convert to fraction form
    1,086,479.19/1,629,172.04 = 376,316.55/x
  3. Step 3: Cross multiply
    1,086,479.19x = 1,629,172.04 × 376,316.55
  4. Step 4: Simplify right side
    1,086,479.19x = 613,084,399,567.68
  5. Step 5: Solve for x
    x = 613,084,399,567.68/1,086,479.19
  6. Step 6: Final answer
    x = 564,285.45

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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.