Home / 1,722,721.80-2,582,179.70-711,286.12

Finding the Fourth Proportional to 1,722,721.80, 2,582,179.70 and 711,286.12

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Solution

The fourth proportional to 1,722,721.80, 2,582,179.70 and 711,286.12 is: 1,066,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,721.80 : 2,582,179.70 = 711,286.12 : x
  2. Step 2: Convert to fraction form
    1,722,721.80/2,582,179.70 = 711,286.12/x
  3. Step 3: Cross multiply
    1,722,721.80x = 2,582,179.70 × 711,286.12
  4. Step 4: Simplify right side
    1,722,721.80x = 1,836,668,579,955.76
  5. Step 5: Solve for x
    x = 1,836,668,579,955.76/1,722,721.80
  6. Step 6: Final answer
    x = 1,066,143.46

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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.