Home / 1,138,537.20-1,708,086.06-802,234.61

Finding the Fourth Proportional to 1,138,537.20, 1,708,086.06 and 802,234.61

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Solution

The fourth proportional to 1,138,537.20, 1,708,086.06 and 802,234.61 is: 1,203,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,537.20 : 1,708,086.06 = 802,234.61 : x
  2. Step 2: Convert to fraction form
    1,138,537.20/1,708,086.06 = 802,234.61/x
  3. Step 3: Cross multiply
    1,138,537.20x = 1,708,086.06 × 802,234.61
  4. Step 4: Simplify right side
    1,138,537.20x = 1,370,285,754,190.54
  5. Step 5: Solve for x
    x = 1,370,285,754,190.54/1,138,537.20
  6. Step 6: Final answer
    x = 1,203,549.39

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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.