Home / 1,431,845.60-2,147,768.40-794,116.40

Finding the Fourth Proportional to 1,431,845.60, 2,147,768.40 and 794,116.40

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Solution

The fourth proportional to 1,431,845.60, 2,147,768.40 and 794,116.40 is: 1,191,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,845.60 : 2,147,768.40 = 794,116.40 : x
  2. Step 2: Convert to fraction form
    1,431,845.60/2,147,768.40 = 794,116.40/x
  3. Step 3: Cross multiply
    1,431,845.60x = 2,147,768.40 × 794,116.40
  4. Step 4: Simplify right side
    1,431,845.60x = 1,705,578,109,841.76
  5. Step 5: Solve for x
    x = 1,705,578,109,841.76/1,431,845.60
  6. Step 6: Final answer
    x = 1,191,174.60

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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.