Home / 1,367,986.96-2,052,200.94-421,357.24

Finding the Fourth Proportional to 1,367,986.96, 2,052,200.94 and 421,357.24

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Solution

The fourth proportional to 1,367,986.96, 2,052,200.94 and 421,357.24 is: 632,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,986.96 : 2,052,200.94 = 421,357.24 : x
  2. Step 2: Convert to fraction form
    1,367,986.96/2,052,200.94 = 421,357.24/x
  3. Step 3: Cross multiply
    1,367,986.96x = 2,052,200.94 × 421,357.24
  4. Step 4: Simplify right side
    1,367,986.96x = 864,709,724,003.81
  5. Step 5: Solve for x
    x = 864,709,724,003.81/1,367,986.96
  6. Step 6: Final answer
    x = 632,103.78

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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.