Home / 1,170,087.60-1,755,131.40-764,180.40

Finding the Fourth Proportional to 1,170,087.60, 1,755,131.40 and 764,180.40

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Solution

The fourth proportional to 1,170,087.60, 1,755,131.40 and 764,180.40 is: 1,146,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,087.60 : 1,755,131.40 = 764,180.40 : x
  2. Step 2: Convert to fraction form
    1,170,087.60/1,755,131.40 = 764,180.40/x
  3. Step 3: Cross multiply
    1,170,087.60x = 1,755,131.40 × 764,180.40
  4. Step 4: Simplify right side
    1,170,087.60x = 1,341,237,015,304.56
  5. Step 5: Solve for x
    x = 1,341,237,015,304.56/1,170,087.60
  6. Step 6: Final answer
    x = 1,146,270.60

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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.