Home / 1,327,200.93-1,981,112.32-1,138,871.53

Finding the Fourth Proportional to 1,327,200.93, 1,981,112.32 and 1,138,871.53

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Solution

The fourth proportional to 1,327,200.93, 1,981,112.32 and 1,138,871.53 is: 1,699,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,200.93 : 1,981,112.32 = 1,138,871.53 : x
  2. Step 2: Convert to fraction form
    1,327,200.93/1,981,112.32 = 1,138,871.53/x
  3. Step 3: Cross multiply
    1,327,200.93x = 1,981,112.32 × 1,138,871.53
  4. Step 4: Simplify right side
    1,327,200.93x = 2,256,232,418,980.25
  5. Step 5: Solve for x
    x = 2,256,232,418,980.25/1,327,200.93
  6. Step 6: Final answer
    x = 1,699,993.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.