Home / 1,089,766.62-1,503,854.37-630,900.54

Finding the Fourth Proportional to 1,089,766.62, 1,503,854.37 and 630,900.54

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Solution

The fourth proportional to 1,089,766.62, 1,503,854.37 and 630,900.54 is: 870,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,766.62 : 1,503,854.37 = 630,900.54 : x
  2. Step 2: Convert to fraction form
    1,089,766.62/1,503,854.37 = 630,900.54/x
  3. Step 3: Cross multiply
    1,089,766.62x = 1,503,854.37 × 630,900.54
  4. Step 4: Simplify right side
    1,089,766.62x = 948,782,534,114.36
  5. Step 5: Solve for x
    x = 948,782,534,114.36/1,089,766.62
  6. Step 6: Final answer
    x = 870,629.10

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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.