Home / 1,650,388.72-2,278,282.44-1,039,439.32

Finding the Fourth Proportional to 1,650,388.72, 2,278,282.44 and 1,039,439.32

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Solution

The fourth proportional to 1,650,388.72, 2,278,282.44 and 1,039,439.32 is: 1,434,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,388.72 : 2,278,282.44 = 1,039,439.32 : x
  2. Step 2: Convert to fraction form
    1,650,388.72/2,278,282.44 = 1,039,439.32/x
  3. Step 3: Cross multiply
    1,650,388.72x = 2,278,282.44 × 1,039,439.32
  4. Step 4: Simplify right side
    1,650,388.72x = 2,368,136,350,201.54
  5. Step 5: Solve for x
    x = 2,368,136,350,201.54/1,650,388.72
  6. Step 6: Final answer
    x = 1,434,896.11

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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.