Home / 1,241,314.20-1,861,971.30-768,922.20

Finding the Fourth Proportional to 1,241,314.20, 1,861,971.30 and 768,922.20

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Solution

The fourth proportional to 1,241,314.20, 1,861,971.30 and 768,922.20 is: 1,153,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,314.20 : 1,861,971.30 = 768,922.20 : x
  2. Step 2: Convert to fraction form
    1,241,314.20/1,861,971.30 = 768,922.20/x
  3. Step 3: Cross multiply
    1,241,314.20x = 1,861,971.30 × 768,922.20
  4. Step 4: Simplify right side
    1,241,314.20x = 1,431,711,068,332.86
  5. Step 5: Solve for x
    x = 1,431,711,068,332.86/1,241,314.20
  6. Step 6: Final answer
    x = 1,153,383.30

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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.