Home / 1,392,341.89-2,088,514.45-381,472.62

Finding the Fourth Proportional to 1,392,341.89, 2,088,514.45 and 381,472.62

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Solution

The fourth proportional to 1,392,341.89, 2,088,514.45 and 381,472.62 is: 572,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,341.89 : 2,088,514.45 = 381,472.62 : x
  2. Step 2: Convert to fraction form
    1,392,341.89/2,088,514.45 = 381,472.62/x
  3. Step 3: Cross multiply
    1,392,341.89x = 2,088,514.45 × 381,472.62
  4. Step 4: Simplify right side
    1,392,341.89x = 796,711,077,242.00
  5. Step 5: Solve for x
    x = 796,711,077,242.00/1,392,341.89
  6. Step 6: Final answer
    x = 572,209.37

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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.