Home / 1,142,635.56-1,573,247.25-970,194.12

Finding the Fourth Proportional to 1,142,635.56, 1,573,247.25 and 970,194.12

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Solution

The fourth proportional to 1,142,635.56, 1,573,247.25 and 970,194.12 is: 1,335,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,635.56 : 1,573,247.25 = 970,194.12 : x
  2. Step 2: Convert to fraction form
    1,142,635.56/1,573,247.25 = 970,194.12/x
  3. Step 3: Cross multiply
    1,142,635.56x = 1,573,247.25 × 970,194.12
  4. Step 4: Simplify right side
    1,142,635.56x = 1,526,355,231,256.17
  5. Step 5: Solve for x
    x = 1,526,355,231,256.17/1,142,635.56
  6. Step 6: Final answer
    x = 1,335,819.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.