Home / 1,180,489.10-1,771,180.77-707,513.90

Finding the Fourth Proportional to 1,180,489.10, 1,771,180.77 and 707,513.90

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Solution

The fourth proportional to 1,180,489.10, 1,771,180.77 and 707,513.90 is: 1,061,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,489.10 : 1,771,180.77 = 707,513.90 : x
  2. Step 2: Convert to fraction form
    1,180,489.10/1,771,180.77 = 707,513.90/x
  3. Step 3: Cross multiply
    1,180,489.10x = 1,771,180.77 × 707,513.90
  4. Step 4: Simplify right side
    1,180,489.10x = 1,253,135,014,187.70
  5. Step 5: Solve for x
    x = 1,253,135,014,187.70/1,180,489.10
  6. Step 6: Final answer
    x = 1,061,538.83

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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.