Home / 1,328,270.75-1,992,406.13-441,806.75

Finding the Fourth Proportional to 1,328,270.75, 1,992,406.13 and 441,806.75

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Solution

The fourth proportional to 1,328,270.75, 1,992,406.13 and 441,806.75 is: 662,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,270.75 : 1,992,406.13 = 441,806.75 : x
  2. Step 2: Convert to fraction form
    1,328,270.75/1,992,406.13 = 441,806.75/x
  3. Step 3: Cross multiply
    1,328,270.75x = 1,992,406.13 × 441,806.75
  4. Step 4: Simplify right side
    1,328,270.75x = 880,258,476,975.38
  5. Step 5: Solve for x
    x = 880,258,476,975.38/1,328,270.75
  6. Step 6: Final answer
    x = 662,710.13

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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.