Home / 1,392,238.63-2,088,359.59-381,369.30

Finding the Fourth Proportional to 1,392,238.63, 2,088,359.59 and 381,369.30

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Solution

The fourth proportional to 1,392,238.63, 2,088,359.59 and 381,369.30 is: 572,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,238.63 : 2,088,359.59 = 381,369.30 : x
  2. Step 2: Convert to fraction form
    1,392,238.63/2,088,359.59 = 381,369.30/x
  3. Step 3: Cross multiply
    1,392,238.63x = 2,088,359.59 × 381,369.30
  4. Step 4: Simplify right side
    1,392,238.63x = 796,436,224,544.79
  5. Step 5: Solve for x
    x = 796,436,224,544.79/1,392,238.63
  6. Step 6: Final answer
    x = 572,054.40

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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.