Home / 1,147,693.60-1,721,540.40-970,546.60

Finding the Fourth Proportional to 1,147,693.60, 1,721,540.40 and 970,546.60

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Solution

The fourth proportional to 1,147,693.60, 1,721,540.40 and 970,546.60 is: 1,455,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,693.60 : 1,721,540.40 = 970,546.60 : x
  2. Step 2: Convert to fraction form
    1,147,693.60/1,721,540.40 = 970,546.60/x
  3. Step 3: Cross multiply
    1,147,693.60x = 1,721,540.40 × 970,546.60
  4. Step 4: Simplify right side
    1,147,693.60x = 1,670,835,181,982.64
  5. Step 5: Solve for x
    x = 1,670,835,181,982.64/1,147,693.60
  6. Step 6: Final answer
    x = 1,455,819.90

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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.