Home / 1,107,226.80-1,656,903.60-768,679.20

Finding the Fourth Proportional to 1,107,226.80, 1,656,903.60 and 768,679.20

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Solution

The fourth proportional to 1,107,226.80, 1,656,903.60 and 768,679.20 is: 1,150,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,226.80 : 1,656,903.60 = 768,679.20 : x
  2. Step 2: Convert to fraction form
    1,107,226.80/1,656,903.60 = 768,679.20/x
  3. Step 3: Cross multiply
    1,107,226.80x = 1,656,903.60 × 768,679.20
  4. Step 4: Simplify right side
    1,107,226.80x = 1,273,627,333,725.12
  5. Step 5: Solve for x
    x = 1,273,627,333,725.12/1,107,226.80
  6. Step 6: Final answer
    x = 1,150,285.86

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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.