Home / 1,338,629.23-2,008,741.71-485,767.42

Finding the Fourth Proportional to 1,338,629.23, 2,008,741.71 and 485,767.42

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Solution

The fourth proportional to 1,338,629.23, 2,008,741.71 and 485,767.42 is: 728,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,629.23 : 2,008,741.71 = 485,767.42 : x
  2. Step 2: Convert to fraction form
    1,338,629.23/2,008,741.71 = 485,767.42/x
  3. Step 3: Cross multiply
    1,338,629.23x = 2,008,741.71 × 485,767.42
  4. Step 4: Simplify right side
    1,338,629.23x = 975,781,277,913.09
  5. Step 5: Solve for x
    x = 975,781,277,913.09/1,338,629.23
  6. Step 6: Final answer
    x = 728,940.66

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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.