Home / 2,560,999.20-3,841,693.20-763,742.40

Finding the Fourth Proportional to 2,560,999.20, 3,841,693.20 and 763,742.40

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Solution

The fourth proportional to 2,560,999.20, 3,841,693.20 and 763,742.40 is: 1,145,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,999.20 : 3,841,693.20 = 763,742.40 : x
  2. Step 2: Convert to fraction form
    2,560,999.20/3,841,693.20 = 763,742.40/x
  3. Step 3: Cross multiply
    2,560,999.20x = 3,841,693.20 × 763,742.40
  4. Step 4: Simplify right side
    2,560,999.20x = 2,934,063,984,631.68
  5. Step 5: Solve for x
    x = 2,934,063,984,631.68/2,560,999.20
  6. Step 6: Final answer
    x = 1,145,671.57

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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.