Home / 1,089,165-1,501,472.01-721,025.26

Finding the Fourth Proportional to 1,089,165, 1,501,472.01 and 721,025.26

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Solution

The fourth proportional to 1,089,165, 1,501,472.01 and 721,025.26 is: 993,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,165 : 1,501,472.01 = 721,025.26 : x
  2. Step 2: Convert to fraction form
    1,089,165/1,501,472.01 = 721,025.26/x
  3. Step 3: Cross multiply
    1,089,165x = 1,501,472.01 × 721,025.26
  4. Step 4: Simplify right side
    1,089,165x = 1,082,599,246,392.97
  5. Step 5: Solve for x
    x = 1,082,599,246,392.97/1,089,165
  6. Step 6: Final answer
    x = 993,971.75

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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.