Home / 1,213,414.60-1,820,121.90-1,154,365.60

Finding the Fourth Proportional to 1,213,414.60, 1,820,121.90 and 1,154,365.60

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Solution

The fourth proportional to 1,213,414.60, 1,820,121.90 and 1,154,365.60 is: 1,731,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,414.60 : 1,820,121.90 = 1,154,365.60 : x
  2. Step 2: Convert to fraction form
    1,213,414.60/1,820,121.90 = 1,154,365.60/x
  3. Step 3: Cross multiply
    1,213,414.60x = 1,820,121.90 × 1,154,365.60
  4. Step 4: Simplify right side
    1,213,414.60x = 2,101,086,109,166.64
  5. Step 5: Solve for x
    x = 2,101,086,109,166.64/1,213,414.60
  6. Step 6: Final answer
    x = 1,731,548.40

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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.