Home / 1,140,755.10-1,711,132.65-691,982.70

Finding the Fourth Proportional to 1,140,755.10, 1,711,132.65 and 691,982.70

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Solution

The fourth proportional to 1,140,755.10, 1,711,132.65 and 691,982.70 is: 1,037,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,755.10 : 1,711,132.65 = 691,982.70 : x
  2. Step 2: Convert to fraction form
    1,140,755.10/1,711,132.65 = 691,982.70/x
  3. Step 3: Cross multiply
    1,140,755.10x = 1,711,132.65 × 691,982.70
  4. Step 4: Simplify right side
    1,140,755.10x = 1,184,074,191,205.15
  5. Step 5: Solve for x
    x = 1,184,074,191,205.15/1,140,755.10
  6. Step 6: Final answer
    x = 1,037,974.05

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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.