Home / 1,091,815.80-1,637,723.70-381,769.80

Finding the Fourth Proportional to 1,091,815.80, 1,637,723.70 and 381,769.80

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Solution

The fourth proportional to 1,091,815.80, 1,637,723.70 and 381,769.80 is: 572,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,815.80 : 1,637,723.70 = 381,769.80 : x
  2. Step 2: Convert to fraction form
    1,091,815.80/1,637,723.70 = 381,769.80/x
  3. Step 3: Cross multiply
    1,091,815.80x = 1,637,723.70 × 381,769.80
  4. Step 4: Simplify right side
    1,091,815.80x = 625,233,449,404.26
  5. Step 5: Solve for x
    x = 625,233,449,404.26/1,091,815.80
  6. Step 6: Final answer
    x = 572,654.70

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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.