Home / 1,170,917.76-1,753,055.28-766,580.88

Finding the Fourth Proportional to 1,170,917.76, 1,753,055.28 and 766,580.88

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Solution

The fourth proportional to 1,170,917.76, 1,753,055.28 and 766,580.88 is: 1,147,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,917.76 : 1,753,055.28 = 766,580.88 : x
  2. Step 2: Convert to fraction form
    1,170,917.76/1,753,055.28 = 766,580.88/x
  3. Step 3: Cross multiply
    1,170,917.76x = 1,753,055.28 × 766,580.88
  4. Step 4: Simplify right side
    1,170,917.76x = 1,343,858,659,231.05
  5. Step 5: Solve for x
    x = 1,343,858,659,231.05/1,170,917.76
  6. Step 6: Final answer
    x = 1,147,696.88

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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.