Home / 1,211,183.10-1,816,774.65-788,168.70

Finding the Fourth Proportional to 1,211,183.10, 1,816,774.65 and 788,168.70

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Solution

The fourth proportional to 1,211,183.10, 1,816,774.65 and 788,168.70 is: 1,182,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,183.10 : 1,816,774.65 = 788,168.70 : x
  2. Step 2: Convert to fraction form
    1,211,183.10/1,816,774.65 = 788,168.70/x
  3. Step 3: Cross multiply
    1,211,183.10x = 1,816,774.65 × 788,168.70
  4. Step 4: Simplify right side
    1,211,183.10x = 1,431,924,914,083.45
  5. Step 5: Solve for x
    x = 1,431,924,914,083.45/1,211,183.10
  6. Step 6: Final answer
    x = 1,182,253.05

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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.