Home / 1,204,387.10-1,806,578.72-664,617.28

Finding the Fourth Proportional to 1,204,387.10, 1,806,578.72 and 664,617.28

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Solution

The fourth proportional to 1,204,387.10, 1,806,578.72 and 664,617.28 is: 996,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,387.10 : 1,806,578.72 = 664,617.28 : x
  2. Step 2: Convert to fraction form
    1,204,387.10/1,806,578.72 = 664,617.28/x
  3. Step 3: Cross multiply
    1,204,387.10x = 1,806,578.72 × 664,617.28
  4. Step 4: Simplify right side
    1,204,387.10x = 1,200,683,434,992.28
  5. Step 5: Solve for x
    x = 1,200,683,434,992.28/1,204,387.10
  6. Step 6: Final answer
    x = 996,924.85

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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.