Home / 1,392,266.89-2,088,402.16-381,397.83

Finding the Fourth Proportional to 1,392,266.89, 2,088,402.16 and 381,397.83

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Solution

The fourth proportional to 1,392,266.89, 2,088,402.16 and 381,397.83 is: 572,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,266.89 : 2,088,402.16 = 381,397.83 : x
  2. Step 2: Convert to fraction form
    1,392,266.89/2,088,402.16 = 381,397.83/x
  3. Step 3: Cross multiply
    1,392,266.89x = 2,088,402.16 × 381,397.83
  4. Step 4: Simplify right side
    1,392,266.89x = 796,512,051,991.31
  5. Step 5: Solve for x
    x = 796,512,051,991.31/1,392,266.89
  6. Step 6: Final answer
    x = 572,097.24

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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.