Home / 1,027,605.42-1,419,450.89-788,838.48

Finding the Fourth Proportional to 1,027,605.42, 1,419,450.89 and 788,838.48

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Solution

The fourth proportional to 1,027,605.42, 1,419,450.89 and 788,838.48 is: 1,089,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,605.42 : 1,419,450.89 = 788,838.48 : x
  2. Step 2: Convert to fraction form
    1,027,605.42/1,419,450.89 = 788,838.48/x
  3. Step 3: Cross multiply
    1,027,605.42x = 1,419,450.89 × 788,838.48
  4. Step 4: Simplify right side
    1,027,605.42x = 1,119,717,478,558.05
  5. Step 5: Solve for x
    x = 1,119,717,478,558.05/1,027,605.42
  6. Step 6: Final answer
    x = 1,089,637.58

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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.