Home / 1,661,431.72-2,292,777.86-897,485.32

Finding the Fourth Proportional to 1,661,431.72, 2,292,777.86 and 897,485.32

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Solution

The fourth proportional to 1,661,431.72, 2,292,777.86 and 897,485.32 is: 1,238,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,431.72 : 2,292,777.86 = 897,485.32 : x
  2. Step 2: Convert to fraction form
    1,661,431.72/2,292,777.86 = 897,485.32/x
  3. Step 3: Cross multiply
    1,661,431.72x = 2,292,777.86 × 897,485.32
  4. Step 4: Simplify right side
    1,661,431.72x = 2,057,734,471,371.02
  5. Step 5: Solve for x
    x = 2,057,734,471,371.02/1,661,431.72
  6. Step 6: Final answer
    x = 1,238,530.87

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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.