Home / 1,027,588.37-1,419,427.34-788,821.43

Finding the Fourth Proportional to 1,027,588.37, 1,419,427.34 and 788,821.43

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Solution

The fourth proportional to 1,027,588.37, 1,419,427.34 and 788,821.43 is: 1,089,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,588.37 : 1,419,427.34 = 788,821.43 : x
  2. Step 2: Convert to fraction form
    1,027,588.37/1,419,427.34 = 788,821.43/x
  3. Step 3: Cross multiply
    1,027,588.37x = 1,419,427.34 × 788,821.43
  4. Step 4: Simplify right side
    1,027,588.37x = 1,119,674,693,078.65
  5. Step 5: Solve for x
    x = 1,119,674,693,078.65/1,027,588.37
  6. Step 6: Final answer
    x = 1,089,614.02

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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.