Home / 1,299,958.47-1,793,936.57-727,000.92

Finding the Fourth Proportional to 1,299,958.47, 1,793,936.57 and 727,000.92

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Solution

The fourth proportional to 1,299,958.47, 1,793,936.57 and 727,000.92 is: 1,003,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,958.47 : 1,793,936.57 = 727,000.92 : x
  2. Step 2: Convert to fraction form
    1,299,958.47/1,793,936.57 = 727,000.92/x
  3. Step 3: Cross multiply
    1,299,958.47x = 1,793,936.57 × 727,000.92
  4. Step 4: Simplify right side
    1,299,958.47x = 1,304,193,533,176.64
  5. Step 5: Solve for x
    x = 1,304,193,533,176.64/1,299,958.47
  6. Step 6: Final answer
    x = 1,003,257.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.