Home / 1,231,019.28-1,846,634.63-432,232.11

Finding the Fourth Proportional to 1,231,019.28, 1,846,634.63 and 432,232.11

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Solution

The fourth proportional to 1,231,019.28, 1,846,634.63 and 432,232.11 is: 648,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,019.28 : 1,846,634.63 = 432,232.11 : x
  2. Step 2: Convert to fraction form
    1,231,019.28/1,846,634.63 = 432,232.11/x
  3. Step 3: Cross multiply
    1,231,019.28x = 1,846,634.63 × 432,232.11
  4. Step 4: Simplify right side
    1,231,019.28x = 798,174,780,362.81
  5. Step 5: Solve for x
    x = 798,174,780,362.81/1,231,019.28
  6. Step 6: Final answer
    x = 648,385.28

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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.