Home / 1,392,242.68-2,088,365.66-381,373.35

Finding the Fourth Proportional to 1,392,242.68, 2,088,365.66 and 381,373.35

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Solution

The fourth proportional to 1,392,242.68, 2,088,365.66 and 381,373.35 is: 572,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,242.68 : 2,088,365.66 = 381,373.35 : x
  2. Step 2: Convert to fraction form
    1,392,242.68/2,088,365.66 = 381,373.35/x
  3. Step 3: Cross multiply
    1,392,242.68x = 2,088,365.66 × 381,373.35
  4. Step 4: Simplify right side
    1,392,242.68x = 796,446,999,471.07
  5. Step 5: Solve for x
    x = 796,446,999,471.07/1,392,242.68
  6. Step 6: Final answer
    x = 572,060.47

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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.