Home / 1,359,118.80-2,040,252.30-729,262.80

Finding the Fourth Proportional to 1,359,118.80, 2,040,252.30 and 729,262.80

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Solution

The fourth proportional to 1,359,118.80, 2,040,252.30 and 729,262.80 is: 1,094,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,118.80 : 2,040,252.30 = 729,262.80 : x
  2. Step 2: Convert to fraction form
    1,359,118.80/2,040,252.30 = 729,262.80/x
  3. Step 3: Cross multiply
    1,359,118.80x = 2,040,252.30 × 729,262.80
  4. Step 4: Simplify right side
    1,359,118.80x = 1,487,880,105,004.44
  5. Step 5: Solve for x
    x = 1,487,880,105,004.44/1,359,118.80
  6. Step 6: Final answer
    x = 1,094,738.82

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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.