Home / 1,352,116.26-1,867,184.82-869,519.46

Finding the Fourth Proportional to 1,352,116.26, 1,867,184.82 and 869,519.46

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Solution

The fourth proportional to 1,352,116.26, 1,867,184.82 and 869,519.46 is: 1,200,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,116.26 : 1,867,184.82 = 869,519.46 : x
  2. Step 2: Convert to fraction form
    1,352,116.26/1,867,184.82 = 869,519.46/x
  3. Step 3: Cross multiply
    1,352,116.26x = 1,867,184.82 × 869,519.46
  4. Step 4: Simplify right side
    1,352,116.26x = 1,623,553,536,406.60
  5. Step 5: Solve for x
    x = 1,623,553,536,406.60/1,352,116.26
  6. Step 6: Final answer
    x = 1,200,749.95

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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.