Home / 1,328,008.50-1,992,020.04-330,736.50

Finding the Fourth Proportional to 1,328,008.50, 1,992,020.04 and 330,736.50

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Solution

The fourth proportional to 1,328,008.50, 1,992,020.04 and 330,736.50 is: 496,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,008.50 : 1,992,020.04 = 330,736.50 : x
  2. Step 2: Convert to fraction form
    1,328,008.50/1,992,020.04 = 330,736.50/x
  3. Step 3: Cross multiply
    1,328,008.50x = 1,992,020.04 × 330,736.50
  4. Step 4: Simplify right side
    1,328,008.50x = 658,833,735,959.46
  5. Step 5: Solve for x
    x = 658,833,735,959.46/1,328,008.50
  6. Step 6: Final answer
    x = 496,106.57

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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.