Home / 1,392,347.26-2,088,522.51-381,477.79

Finding the Fourth Proportional to 1,392,347.26, 2,088,522.51 and 381,477.79

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Solution

The fourth proportional to 1,392,347.26, 2,088,522.51 and 381,477.79 is: 572,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,347.26 : 2,088,522.51 = 381,477.79 : x
  2. Step 2: Convert to fraction form
    1,392,347.26/2,088,522.51 = 381,477.79/x
  3. Step 3: Cross multiply
    1,392,347.26x = 2,088,522.51 × 381,477.79
  4. Step 4: Simplify right side
    1,392,347.26x = 796,724,951,480.05
  5. Step 5: Solve for x
    x = 796,724,951,480.05/1,392,347.26
  6. Step 6: Final answer
    x = 572,217.13

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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.