Home / 1,089,269.37-1,503,086.42-630,292.39

Finding the Fourth Proportional to 1,089,269.37, 1,503,086.42 and 630,292.39

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Solution

The fourth proportional to 1,089,269.37, 1,503,086.42 and 630,292.39 is: 869,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,269.37 : 1,503,086.42 = 630,292.39 : x
  2. Step 2: Convert to fraction form
    1,089,269.37/1,503,086.42 = 630,292.39/x
  3. Step 3: Cross multiply
    1,089,269.37x = 1,503,086.42 × 630,292.39
  4. Step 4: Simplify right side
    1,089,269.37x = 947,383,929,856.36
  5. Step 5: Solve for x
    x = 947,383,929,856.36/1,089,269.37
  6. Step 6: Final answer
    x = 869,742.56

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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.