Home / 948,087.20-1,422,172.33-274,236.62

Finding the Fourth Proportional to 948,087.20, 1,422,172.33 and 274,236.62

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Solution

The fourth proportional to 948,087.20, 1,422,172.33 and 274,236.62 is: 411,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,087.20 : 1,422,172.33 = 274,236.62 : x
  2. Step 2: Convert to fraction form
    948,087.20/1,422,172.33 = 274,236.62/x
  3. Step 3: Cross multiply
    948,087.20x = 1,422,172.33 × 274,236.62
  4. Step 4: Simplify right side
    948,087.20x = 390,011,725,347.42
  5. Step 5: Solve for x
    x = 390,011,725,347.42/948,087.20
  6. Step 6: Final answer
    x = 411,366.94

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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.