Home / 1,819,742.23-2,729,963.31-697,723.75

Finding the Fourth Proportional to 1,819,742.23, 2,729,963.31 and 697,723.75

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Solution

The fourth proportional to 1,819,742.23, 2,729,963.31 and 697,723.75 is: 1,046,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,742.23 : 2,729,963.31 = 697,723.75 : x
  2. Step 2: Convert to fraction form
    1,819,742.23/2,729,963.31 = 697,723.75/x
  3. Step 3: Cross multiply
    1,819,742.23x = 2,729,963.31 × 697,723.75
  4. Step 4: Simplify right side
    1,819,742.23x = 1,904,760,238,015.61
  5. Step 5: Solve for x
    x = 1,904,760,238,015.61/1,819,742.23
  6. Step 6: Final answer
    x = 1,046,719.81

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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.