Home / 829,134.20-1,241,627.70-663,246.20

Finding the Fourth Proportional to 829,134.20, 1,241,627.70 and 663,246.20

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Solution

The fourth proportional to 829,134.20, 1,241,627.70 and 663,246.20 is: 993,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,134.20 : 1,241,627.70 = 663,246.20 : x
  2. Step 2: Convert to fraction form
    829,134.20/1,241,627.70 = 663,246.20/x
  3. Step 3: Cross multiply
    829,134.20x = 1,241,627.70 × 663,246.20
  4. Step 4: Simplify right side
    829,134.20x = 823,504,853,839.74
  5. Step 5: Solve for x
    x = 823,504,853,839.74/829,134.20
  6. Step 6: Final answer
    x = 993,210.57

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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.