Home / 1,338,633.06-2,008,747.38-485,771.25

Finding the Fourth Proportional to 1,338,633.06, 2,008,747.38 and 485,771.25

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Solution

The fourth proportional to 1,338,633.06, 2,008,747.38 and 485,771.25 is: 728,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,633.06 : 2,008,747.38 = 485,771.25 : x
  2. Step 2: Convert to fraction form
    1,338,633.06/2,008,747.38 = 485,771.25/x
  3. Step 3: Cross multiply
    1,338,633.06x = 2,008,747.38 × 485,771.25
  4. Step 4: Simplify right side
    1,338,633.06x = 975,791,725,716.83
  5. Step 5: Solve for x
    x = 975,791,725,716.83/1,338,633.06
  6. Step 6: Final answer
    x = 728,946.38

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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.