Home / 1,179,471.20-1,766,205.14-779,512.64

Finding the Fourth Proportional to 1,179,471.20, 1,766,205.14 and 779,512.64

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Solution

The fourth proportional to 1,179,471.20, 1,766,205.14 and 779,512.64 is: 1,167,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,471.20 : 1,766,205.14 = 779,512.64 : x
  2. Step 2: Convert to fraction form
    1,179,471.20/1,766,205.14 = 779,512.64/x
  3. Step 3: Cross multiply
    1,179,471.20x = 1,766,205.14 × 779,512.64
  4. Step 4: Simplify right side
    1,179,471.20x = 1,376,779,231,462.97
  5. Step 5: Solve for x
    x = 1,376,779,231,462.97/1,179,471.20
  6. Step 6: Final answer
    x = 1,167,285.16

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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.