Home / 1,366,234.80-2,049,935.40-655,897.20

Finding the Fourth Proportional to 1,366,234.80, 2,049,935.40 and 655,897.20

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Solution

The fourth proportional to 1,366,234.80, 2,049,935.40 and 655,897.20 is: 984,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,234.80 : 2,049,935.40 = 655,897.20 : x
  2. Step 2: Convert to fraction form
    1,366,234.80/2,049,935.40 = 655,897.20/x
  3. Step 3: Cross multiply
    1,366,234.80x = 2,049,935.40 × 655,897.20
  4. Step 4: Simplify right side
    1,366,234.80x = 1,344,546,889,040.88
  5. Step 5: Solve for x
    x = 1,344,546,889,040.88/1,366,234.80
  6. Step 6: Final answer
    x = 984,125.78

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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.