Home / 1,628,716.80-2,443,094.02-491,488.86

Finding the Fourth Proportional to 1,628,716.80, 2,443,094.02 and 491,488.86

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Solution

The fourth proportional to 1,628,716.80, 2,443,094.02 and 491,488.86 is: 737,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,716.80 : 2,443,094.02 = 491,488.86 : x
  2. Step 2: Convert to fraction form
    1,628,716.80/2,443,094.02 = 491,488.86/x
  3. Step 3: Cross multiply
    1,628,716.80x = 2,443,094.02 × 491,488.86
  4. Step 4: Simplify right side
    1,628,716.80x = 1,200,753,494,762.62
  5. Step 5: Solve for x
    x = 1,200,753,494,762.62/1,628,716.80
  6. Step 6: Final answer
    x = 737,238.97

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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.