Home / 1,107,115.20-1,663,783.20-970,257.60

Finding the Fourth Proportional to 1,107,115.20, 1,663,783.20 and 970,257.60

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Solution

The fourth proportional to 1,107,115.20, 1,663,783.20 and 970,257.60 is: 1,458,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,115.20 : 1,663,783.20 = 970,257.60 : x
  2. Step 2: Convert to fraction form
    1,107,115.20/1,663,783.20 = 970,257.60/x
  3. Step 3: Cross multiply
    1,107,115.20x = 1,663,783.20 × 970,257.60
  4. Step 4: Simplify right side
    1,107,115.20x = 1,614,298,294,552.32
  5. Step 5: Solve for x
    x = 1,614,298,294,552.32/1,107,115.20
  6. Step 6: Final answer
    x = 1,458,112.30

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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.