Home / 1,241,310.20-1,861,965.30-768,918.20

Finding the Fourth Proportional to 1,241,310.20, 1,861,965.30 and 768,918.20

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Solution

The fourth proportional to 1,241,310.20, 1,861,965.30 and 768,918.20 is: 1,153,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,310.20 : 1,861,965.30 = 768,918.20 : x
  2. Step 2: Convert to fraction form
    1,241,310.20/1,861,965.30 = 768,918.20/x
  3. Step 3: Cross multiply
    1,241,310.20x = 1,861,965.30 × 768,918.20
  4. Step 4: Simplify right side
    1,241,310.20x = 1,431,699,006,938.46
  5. Step 5: Solve for x
    x = 1,431,699,006,938.46/1,241,310.20
  6. Step 6: Final answer
    x = 1,153,377.30

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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.