Home / 1,215,617.28-1,822,871.52-505,222.08

Finding the Fourth Proportional to 1,215,617.28, 1,822,871.52 and 505,222.08

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Solution

The fourth proportional to 1,215,617.28, 1,822,871.52 and 505,222.08 is: 757,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,617.28 : 1,822,871.52 = 505,222.08 : x
  2. Step 2: Convert to fraction form
    1,215,617.28/1,822,871.52 = 505,222.08/x
  3. Step 3: Cross multiply
    1,215,617.28x = 1,822,871.52 × 505,222.08
  4. Step 4: Simplify right side
    1,215,617.28x = 920,954,940,907.16
  5. Step 5: Solve for x
    x = 920,954,940,907.16/1,215,617.28
  6. Step 6: Final answer
    x = 757,602.71

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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.