Home / 1,451,621.62-2,003,018.02-831,330.33

Finding the Fourth Proportional to 1,451,621.62, 2,003,018.02 and 831,330.33

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Solution

The fourth proportional to 1,451,621.62, 2,003,018.02 and 831,330.33 is: 1,147,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,621.62 : 2,003,018.02 = 831,330.33 : x
  2. Step 2: Convert to fraction form
    1,451,621.62/2,003,018.02 = 831,330.33/x
  3. Step 3: Cross multiply
    1,451,621.62x = 2,003,018.02 × 831,330.33
  4. Step 4: Simplify right side
    1,451,621.62x = 1,665,169,631,562.55
  5. Step 5: Solve for x
    x = 1,665,169,631,562.55/1,451,621.62
  6. Step 6: Final answer
    x = 1,147,109.97

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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.