Home / 1,089,749.45-1,503,830.77-630,883.44

Finding the Fourth Proportional to 1,089,749.45, 1,503,830.77 and 630,883.44

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Solution

The fourth proportional to 1,089,749.45, 1,503,830.77 and 630,883.44 is: 870,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,749.45 : 1,503,830.77 = 630,883.44 : x
  2. Step 2: Convert to fraction form
    1,089,749.45/1,503,830.77 = 630,883.44/x
  3. Step 3: Cross multiply
    1,089,749.45x = 1,503,830.77 × 630,883.44
  4. Step 4: Simplify right side
    1,089,749.45x = 948,741,921,836.30
  5. Step 5: Solve for x
    x = 948,741,921,836.30/1,089,749.45
  6. Step 6: Final answer
    x = 870,605.56

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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.