Home / 1,392,340.64-2,088,512.57-381,471.37

Finding the Fourth Proportional to 1,392,340.64, 2,088,512.57 and 381,471.37

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Solution

The fourth proportional to 1,392,340.64, 2,088,512.57 and 381,471.37 is: 572,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,340.64 : 2,088,512.57 = 381,471.37 : x
  2. Step 2: Convert to fraction form
    1,392,340.64/2,088,512.57 = 381,471.37/x
  3. Step 3: Cross multiply
    1,392,340.64x = 2,088,512.57 × 381,471.37
  4. Step 4: Simplify right side
    1,392,340.64x = 796,707,747,072.52
  5. Step 5: Solve for x
    x = 796,707,747,072.52/1,392,340.64
  6. Step 6: Final answer
    x = 572,207.50

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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.