Home / 1,445,739.30-1,995,171.66-872,667.54

Finding the Fourth Proportional to 1,445,739.30, 1,995,171.66 and 872,667.54

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Solution

The fourth proportional to 1,445,739.30, 1,995,171.66 and 872,667.54 is: 1,204,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,739.30 : 1,995,171.66 = 872,667.54 : x
  2. Step 2: Convert to fraction form
    1,445,739.30/1,995,171.66 = 872,667.54/x
  3. Step 3: Cross multiply
    1,445,739.30x = 1,995,171.66 × 872,667.54
  4. Step 4: Simplify right side
    1,445,739.30x = 1,741,121,544,409.92
  5. Step 5: Solve for x
    x = 1,741,121,544,409.92/1,445,739.30
  6. Step 6: Final answer
    x = 1,204,312.25

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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.