Home / 1,112,367.44-1,668,968.12-513,615.44

Finding the Fourth Proportional to 1,112,367.44, 1,668,968.12 and 513,615.44

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Solution

The fourth proportional to 1,112,367.44, 1,668,968.12 and 513,615.44 is: 770,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,367.44 : 1,668,968.12 = 513,615.44 : x
  2. Step 2: Convert to fraction form
    1,112,367.44/1,668,968.12 = 513,615.44/x
  3. Step 3: Cross multiply
    1,112,367.44x = 1,668,968.12 × 513,615.44
  4. Step 4: Simplify right side
    1,112,367.44x = 857,207,795,299.77
  5. Step 5: Solve for x
    x = 857,207,795,299.77/1,112,367.44
  6. Step 6: Final answer
    x = 770,615.68

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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.