Home / 1,252,753.04-1,728,803.79-679,793.20

Finding the Fourth Proportional to 1,252,753.04, 1,728,803.79 and 679,793.20

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Solution

The fourth proportional to 1,252,753.04, 1,728,803.79 and 679,793.20 is: 938,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,753.04 : 1,728,803.79 = 679,793.20 : x
  2. Step 2: Convert to fraction form
    1,252,753.04/1,728,803.79 = 679,793.20/x
  3. Step 3: Cross multiply
    1,252,753.04x = 1,728,803.79 × 679,793.20
  4. Step 4: Simplify right side
    1,252,753.04x = 1,175,229,060,576.23
  5. Step 5: Solve for x
    x = 1,175,229,060,576.23/1,252,753.04
  6. Step 6: Final answer
    x = 938,117.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.