Home / 994,037.20-1,491,055.80-869,621.20

Finding the Fourth Proportional to 994,037.20, 1,491,055.80 and 869,621.20

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Solution

The fourth proportional to 994,037.20, 1,491,055.80 and 869,621.20 is: 1,304,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,037.20 : 1,491,055.80 = 869,621.20 : x
  2. Step 2: Convert to fraction form
    994,037.20/1,491,055.80 = 869,621.20/x
  3. Step 3: Cross multiply
    994,037.20x = 1,491,055.80 × 869,621.20
  4. Step 4: Simplify right side
    994,037.20x = 1,296,653,734,062.96
  5. Step 5: Solve for x
    x = 1,296,653,734,062.96/994,037.20
  6. Step 6: Final answer
    x = 1,304,431.80

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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.