Home / 1,231,305.20-1,846,957.80-1,113,207.20

Finding the Fourth Proportional to 1,231,305.20, 1,846,957.80 and 1,113,207.20

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Solution

The fourth proportional to 1,231,305.20, 1,846,957.80 and 1,113,207.20 is: 1,669,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,305.20 : 1,846,957.80 = 1,113,207.20 : x
  2. Step 2: Convert to fraction form
    1,231,305.20/1,846,957.80 = 1,113,207.20/x
  3. Step 3: Cross multiply
    1,231,305.20x = 1,846,957.80 × 1,113,207.20
  4. Step 4: Simplify right side
    1,231,305.20x = 2,056,046,721,056.16
  5. Step 5: Solve for x
    x = 2,056,046,721,056.16/1,231,305.20
  6. Step 6: Final answer
    x = 1,669,810.80

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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.