Home / 1,338,632.06-2,008,745.88-485,770.25

Finding the Fourth Proportional to 1,338,632.06, 2,008,745.88 and 485,770.25

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Solution

The fourth proportional to 1,338,632.06, 2,008,745.88 and 485,770.25 is: 728,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,632.06 : 2,008,745.88 = 485,770.25 : x
  2. Step 2: Convert to fraction form
    1,338,632.06/2,008,745.88 = 485,770.25/x
  3. Step 3: Cross multiply
    1,338,632.06x = 2,008,745.88 × 485,770.25
  4. Step 4: Simplify right side
    1,338,632.06x = 975,788,988,314.07
  5. Step 5: Solve for x
    x = 975,788,988,314.07/1,338,632.06
  6. Step 6: Final answer
    x = 728,944.88

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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.