Home / 1,420,731.36-2,131,884.36-579,218.04

Finding the Fourth Proportional to 1,420,731.36, 2,131,884.36 and 579,218.04

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Solution

The fourth proportional to 1,420,731.36, 2,131,884.36 and 579,218.04 is: 869,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,731.36 : 2,131,884.36 = 579,218.04 : x
  2. Step 2: Convert to fraction form
    1,420,731.36/2,131,884.36 = 579,218.04/x
  3. Step 3: Cross multiply
    1,420,731.36x = 2,131,884.36 × 579,218.04
  4. Step 4: Simplify right side
    1,420,731.36x = 1,234,825,880,505.85
  5. Step 5: Solve for x
    x = 1,234,825,880,505.85/1,420,731.36
  6. Step 6: Final answer
    x = 869,148.04

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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.