Home / 1,012,405.43-1,519,354.16-479,924.39

Finding the Fourth Proportional to 1,012,405.43, 1,519,354.16 and 479,924.39

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Solution

The fourth proportional to 1,012,405.43, 1,519,354.16 and 479,924.39 is: 720,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,405.43 : 1,519,354.16 = 479,924.39 : x
  2. Step 2: Convert to fraction form
    1,012,405.43/1,519,354.16 = 479,924.39/x
  3. Step 3: Cross multiply
    1,012,405.43x = 1,519,354.16 × 479,924.39
  4. Step 4: Simplify right side
    1,012,405.43x = 729,175,121,630.44
  5. Step 5: Solve for x
    x = 729,175,121,630.44/1,012,405.43
  6. Step 6: Final answer
    x = 720,240.23

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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.