Home / 1,509,086.88-2,082,505.68-830,008.80

Finding the Fourth Proportional to 1,509,086.88, 2,082,505.68 and 830,008.80

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Solution

The fourth proportional to 1,509,086.88, 2,082,505.68 and 830,008.80 is: 1,145,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,086.88 : 2,082,505.68 = 830,008.80 : x
  2. Step 2: Convert to fraction form
    1,509,086.88/2,082,505.68 = 830,008.80/x
  3. Step 3: Cross multiply
    1,509,086.88x = 2,082,505.68 × 830,008.80
  4. Step 4: Simplify right side
    1,509,086.88x = 1,728,498,040,449.98
  5. Step 5: Solve for x
    x = 1,728,498,040,449.98/1,509,086.88
  6. Step 6: Final answer
    x = 1,145,393.33

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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.