Home / 1,660,780.08-2,491,956.36-988,190.64

Finding the Fourth Proportional to 1,660,780.08, 2,491,956.36 and 988,190.64

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Solution

The fourth proportional to 1,660,780.08, 2,491,956.36 and 988,190.64 is: 1,482,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,780.08 : 2,491,956.36 = 988,190.64 : x
  2. Step 2: Convert to fraction form
    1,660,780.08/2,491,956.36 = 988,190.64/x
  3. Step 3: Cross multiply
    1,660,780.08x = 2,491,956.36 × 988,190.64
  4. Step 4: Simplify right side
    1,660,780.08x = 2,462,527,950,240.47
  5. Step 5: Solve for x
    x = 2,462,527,950,240.47/1,660,780.08
  6. Step 6: Final answer
    x = 1,482,753.79

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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.