Home / 1,187,960.82-1,777,684.35-1,028,586.54

Finding the Fourth Proportional to 1,187,960.82, 1,777,684.35 and 1,028,586.54

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Solution

The fourth proportional to 1,187,960.82, 1,777,684.35 and 1,028,586.54 is: 1,539,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,960.82 : 1,777,684.35 = 1,028,586.54 : x
  2. Step 2: Convert to fraction form
    1,187,960.82/1,777,684.35 = 1,028,586.54/x
  3. Step 3: Cross multiply
    1,187,960.82x = 1,777,684.35 × 1,028,586.54
  4. Step 4: Simplify right side
    1,187,960.82x = 1,828,502,194,778.65
  5. Step 5: Solve for x
    x = 1,828,502,194,778.65/1,187,960.82
  6. Step 6: Final answer
    x = 1,539,194.02

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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.