Home / 1,628,715.80-2,443,092.52-491,487.86

Finding the Fourth Proportional to 1,628,715.80, 2,443,092.52 and 491,487.86

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Solution

The fourth proportional to 1,628,715.80, 2,443,092.52 and 491,487.86 is: 737,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,715.80 : 2,443,092.52 = 491,487.86 : x
  2. Step 2: Convert to fraction form
    1,628,715.80/2,443,092.52 = 491,487.86/x
  3. Step 3: Cross multiply
    1,628,715.80x = 2,443,092.52 × 491,487.86
  4. Step 4: Simplify right side
    1,628,715.80x = 1,200,750,300,992.63
  5. Step 5: Solve for x
    x = 1,200,750,300,992.63/1,628,715.80
  6. Step 6: Final answer
    x = 737,237.46

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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.