Home / 1,226,621.80-1,839,276.60-515,846.80

Finding the Fourth Proportional to 1,226,621.80, 1,839,276.60 and 515,846.80

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Solution

The fourth proportional to 1,226,621.80, 1,839,276.60 and 515,846.80 is: 773,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,621.80 : 1,839,276.60 = 515,846.80 : x
  2. Step 2: Convert to fraction form
    1,226,621.80/1,839,276.60 = 515,846.80/x
  3. Step 3: Cross multiply
    1,226,621.80x = 1,839,276.60 × 515,846.80
  4. Step 4: Simplify right side
    1,226,621.80x = 948,784,948,424.88
  5. Step 5: Solve for x
    x = 948,784,948,424.88/1,226,621.80
  6. Step 6: Final answer
    x = 773,494.28

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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.