Home / 1,792,090.80-2,689,667.10-727,896.60

Finding the Fourth Proportional to 1,792,090.80, 2,689,667.10 and 727,896.60

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Solution

The fourth proportional to 1,792,090.80, 2,689,667.10 and 727,896.60 is: 1,092,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,090.80 : 2,689,667.10 = 727,896.60 : x
  2. Step 2: Convert to fraction form
    1,792,090.80/2,689,667.10 = 727,896.60/x
  3. Step 3: Cross multiply
    1,792,090.80x = 2,689,667.10 × 727,896.60
  4. Step 4: Simplify right side
    1,792,090.80x = 1,957,799,537,221.86
  5. Step 5: Solve for x
    x = 1,957,799,537,221.86/1,792,090.80
  6. Step 6: Final answer
    x = 1,092,466.71

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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.