Home / 1,379,164.80-2,069,913.60-622,171.20

Finding the Fourth Proportional to 1,379,164.80, 2,069,913.60 and 622,171.20

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Solution

The fourth proportional to 1,379,164.80, 2,069,913.60 and 622,171.20 is: 933,782.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,164.80 : 2,069,913.60 = 622,171.20 : x
  2. Step 2: Convert to fraction form
    1,379,164.80/2,069,913.60 = 622,171.20/x
  3. Step 3: Cross multiply
    1,379,164.80x = 2,069,913.60 × 622,171.20
  4. Step 4: Simplify right side
    1,379,164.80x = 1,287,840,628,408.32
  5. Step 5: Solve for x
    x = 1,287,840,628,408.32/1,379,164.80
  6. Step 6: Final answer
    x = 933,782.99

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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.