Home / 1,208,963.70-1,813,445.55-1,155,819.60

Finding the Fourth Proportional to 1,208,963.70, 1,813,445.55 and 1,155,819.60

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Solution

The fourth proportional to 1,208,963.70, 1,813,445.55 and 1,155,819.60 is: 1,733,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,963.70 : 1,813,445.55 = 1,155,819.60 : x
  2. Step 2: Convert to fraction form
    1,208,963.70/1,813,445.55 = 1,155,819.60/x
  3. Step 3: Cross multiply
    1,208,963.70x = 1,813,445.55 × 1,155,819.60
  4. Step 4: Simplify right side
    1,208,963.70x = 2,096,015,910,222.78
  5. Step 5: Solve for x
    x = 2,096,015,910,222.78/1,208,963.70
  6. Step 6: Final answer
    x = 1,733,729.40

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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.