Home / 827,992.80-1,241,989.20-694,148.40

Finding the Fourth Proportional to 827,992.80, 1,241,989.20 and 694,148.40

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Solution

The fourth proportional to 827,992.80, 1,241,989.20 and 694,148.40 is: 1,041,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,992.80 : 1,241,989.20 = 694,148.40 : x
  2. Step 2: Convert to fraction form
    827,992.80/1,241,989.20 = 694,148.40/x
  3. Step 3: Cross multiply
    827,992.80x = 1,241,989.20 × 694,148.40
  4. Step 4: Simplify right side
    827,992.80x = 862,124,815,997.28
  5. Step 5: Solve for x
    x = 862,124,815,997.28/827,992.80
  6. Step 6: Final answer
    x = 1,041,222.60

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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.