Home / 1,331,335.20-1,997,002.80-827,450.40

Finding the Fourth Proportional to 1,331,335.20, 1,997,002.80 and 827,450.40

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Solution

The fourth proportional to 1,331,335.20, 1,997,002.80 and 827,450.40 is: 1,241,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,335.20 : 1,997,002.80 = 827,450.40 : x
  2. Step 2: Convert to fraction form
    1,331,335.20/1,997,002.80 = 827,450.40/x
  3. Step 3: Cross multiply
    1,331,335.20x = 1,997,002.80 × 827,450.40
  4. Step 4: Simplify right side
    1,331,335.20x = 1,652,420,765,661.12
  5. Step 5: Solve for x
    x = 1,652,420,765,661.12/1,331,335.20
  6. Step 6: Final answer
    x = 1,241,175.60

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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.