Home / 1,392,239.63-2,088,361.10-381,370.29

Finding the Fourth Proportional to 1,392,239.63, 2,088,361.10 and 381,370.29

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Solution

The fourth proportional to 1,392,239.63, 2,088,361.10 and 381,370.29 is: 572,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,239.63 : 2,088,361.10 = 381,370.29 : x
  2. Step 2: Convert to fraction form
    1,392,239.63/2,088,361.10 = 381,370.29/x
  3. Step 3: Cross multiply
    1,392,239.63x = 2,088,361.10 × 381,370.29
  4. Step 4: Simplify right side
    1,392,239.63x = 796,438,876,424.87
  5. Step 5: Solve for x
    x = 796,438,876,424.87/1,392,239.63
  6. Step 6: Final answer
    x = 572,055.89

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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.