Home / 1,352,015.81-1,865,778.94-740,163.61

Finding the Fourth Proportional to 1,352,015.81, 1,865,778.94 and 740,163.61

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Solution

The fourth proportional to 1,352,015.81, 1,865,778.94 and 740,163.61 is: 1,021,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,015.81 : 1,865,778.94 = 740,163.61 : x
  2. Step 2: Convert to fraction form
    1,352,015.81/1,865,778.94 = 740,163.61/x
  3. Step 3: Cross multiply
    1,352,015.81x = 1,865,778.94 × 740,163.61
  4. Step 4: Simplify right side
    1,352,015.81x = 1,380,981,675,692.37
  5. Step 5: Solve for x
    x = 1,380,981,675,692.37/1,352,015.81
  6. Step 6: Final answer
    x = 1,021,424.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.