Home / 1,396,975.50-1,929,289.83-962,522.49

Finding the Fourth Proportional to 1,396,975.50, 1,929,289.83 and 962,522.49

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Solution

The fourth proportional to 1,396,975.50, 1,929,289.83 and 962,522.49 is: 1,329,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,975.50 : 1,929,289.83 = 962,522.49 : x
  2. Step 2: Convert to fraction form
    1,396,975.50/1,929,289.83 = 962,522.49/x
  3. Step 3: Cross multiply
    1,396,975.50x = 1,929,289.83 × 962,522.49
  4. Step 4: Simplify right side
    1,396,975.50x = 1,856,984,851,103.28
  5. Step 5: Solve for x
    x = 1,856,984,851,103.28/1,396,975.50
  6. Step 6: Final answer
    x = 1,329,289.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.