Home / 1,392,241.62-2,088,364.10-381,372.30

Finding the Fourth Proportional to 1,392,241.62, 2,088,364.10 and 381,372.30

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Solution

The fourth proportional to 1,392,241.62, 2,088,364.10 and 381,372.30 is: 572,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,241.62 : 2,088,364.10 = 381,372.30 : x
  2. Step 2: Convert to fraction form
    1,392,241.62/2,088,364.10 = 381,372.30/x
  3. Step 3: Cross multiply
    1,392,241.62x = 2,088,364.10 × 381,372.30
  4. Step 4: Simplify right side
    1,392,241.62x = 796,444,220,054.43
  5. Step 5: Solve for x
    x = 796,444,220,054.43/1,392,241.62
  6. Step 6: Final answer
    x = 572,058.91

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Double scale
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1.5x scale

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.