Home / 1,328,005.80-1,992,008.70-330,733.80

Finding the Fourth Proportional to 1,328,005.80, 1,992,008.70 and 330,733.80

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Solution

The fourth proportional to 1,328,005.80, 1,992,008.70 and 330,733.80 is: 496,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,005.80 : 1,992,008.70 = 330,733.80 : x
  2. Step 2: Convert to fraction form
    1,328,005.80/1,992,008.70 = 330,733.80/x
  3. Step 3: Cross multiply
    1,328,005.80x = 1,992,008.70 × 330,733.80
  4. Step 4: Simplify right side
    1,328,005.80x = 658,824,606,984.06
  5. Step 5: Solve for x
    x = 658,824,606,984.06/1,328,005.80
  6. Step 6: Final answer
    x = 496,100.70

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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.