Home / 1,338,623.60-2,008,733.23-485,761.80

Finding the Fourth Proportional to 1,338,623.60, 2,008,733.23 and 485,761.80

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Solution

The fourth proportional to 1,338,623.60, 2,008,733.23 and 485,761.80 is: 728,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,623.60 : 2,008,733.23 = 485,761.80 : x
  2. Step 2: Convert to fraction form
    1,338,623.60/2,008,733.23 = 485,761.80/x
  3. Step 3: Cross multiply
    1,338,623.60x = 2,008,733.23 × 485,761.80
  4. Step 4: Simplify right side
    1,338,623.60x = 975,765,869,524.61
  5. Step 5: Solve for x
    x = 975,765,869,524.61/1,338,623.60
  6. Step 6: Final answer
    x = 728,932.22

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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.