Home / 1,338,632.26-2,008,746.18-485,770.39

Finding the Fourth Proportional to 1,338,632.26, 2,008,746.18 and 485,770.39

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Solution

The fourth proportional to 1,338,632.26, 2,008,746.18 and 485,770.39 is: 728,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,632.26 : 2,008,746.18 = 485,770.39 : x
  2. Step 2: Convert to fraction form
    1,338,632.26/2,008,746.18 = 485,770.39/x
  3. Step 3: Cross multiply
    1,338,632.26x = 2,008,746.18 × 485,770.39
  4. Step 4: Simplify right side
    1,338,632.26x = 975,789,410,247.75
  5. Step 5: Solve for x
    x = 975,789,410,247.75/1,338,632.26
  6. Step 6: Final answer
    x = 728,945.09

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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.