Home / 1,270,842.30-1,906,263.45-472,040.55

Finding the Fourth Proportional to 1,270,842.30, 1,906,263.45 and 472,040.55

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Solution

The fourth proportional to 1,270,842.30, 1,906,263.45 and 472,040.55 is: 708,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,842.30 : 1,906,263.45 = 472,040.55 : x
  2. Step 2: Convert to fraction form
    1,270,842.30/1,906,263.45 = 472,040.55/x
  3. Step 3: Cross multiply
    1,270,842.30x = 1,906,263.45 × 472,040.55
  4. Step 4: Simplify right side
    1,270,842.30x = 899,833,647,382.90
  5. Step 5: Solve for x
    x = 899,833,647,382.90/1,270,842.30
  6. Step 6: Final answer
    x = 708,060.83

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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.