Home / 1,119,310.20-1,679,354.10-488,676.60

Finding the Fourth Proportional to 1,119,310.20, 1,679,354.10 and 488,676.60

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Solution

The fourth proportional to 1,119,310.20, 1,679,354.10 and 488,676.60 is: 733,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,310.20 : 1,679,354.10 = 488,676.60 : x
  2. Step 2: Convert to fraction form
    1,119,310.20/1,679,354.10 = 488,676.60/x
  3. Step 3: Cross multiply
    1,119,310.20x = 1,679,354.10 × 488,676.60
  4. Step 4: Simplify right side
    1,119,310.20x = 820,661,051,784.06
  5. Step 5: Solve for x
    x = 820,661,051,784.06/1,119,310.20
  6. Step 6: Final answer
    x = 733,184.65

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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.