Home / 1,089,764.36-1,503,851.24-630,898.36

Finding the Fourth Proportional to 1,089,764.36, 1,503,851.24 and 630,898.36

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Solution

The fourth proportional to 1,089,764.36, 1,503,851.24 and 630,898.36 is: 870,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,764.36 : 1,503,851.24 = 630,898.36 : x
  2. Step 2: Convert to fraction form
    1,089,764.36/1,503,851.24 = 630,898.36/x
  3. Step 3: Cross multiply
    1,089,764.36x = 1,503,851.24 × 630,898.36
  4. Step 4: Simplify right side
    1,089,764.36x = 948,777,280,999.97
  5. Step 5: Solve for x
    x = 948,777,280,999.97/1,089,764.36
  6. Step 6: Final answer
    x = 870,626.09

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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.