Home / 1,189,579.44-1,784,345.64-479,591.28

Finding the Fourth Proportional to 1,189,579.44, 1,784,345.64 and 479,591.28

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Solution

The fourth proportional to 1,189,579.44, 1,784,345.64 and 479,591.28 is: 719,377.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,579.44 : 1,784,345.64 = 479,591.28 : x
  2. Step 2: Convert to fraction form
    1,189,579.44/1,784,345.64 = 479,591.28/x
  3. Step 3: Cross multiply
    1,189,579.44x = 1,784,345.64 × 479,591.28
  4. Step 4: Simplify right side
    1,189,579.44x = 855,756,609,450.02
  5. Step 5: Solve for x
    x = 855,756,609,450.02/1,189,579.44
  6. Step 6: Final answer
    x = 719,377.44

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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.