Home / 1,661,375.12-2,292,698.67-897,429.02

Finding the Fourth Proportional to 1,661,375.12, 2,292,698.67 and 897,429.02

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Solution

The fourth proportional to 1,661,375.12, 2,292,698.67 and 897,429.02 is: 1,238,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,375.12 : 2,292,698.67 = 897,429.02 : x
  2. Step 2: Convert to fraction form
    1,661,375.12/2,292,698.67 = 897,429.02/x
  3. Step 3: Cross multiply
    1,661,375.12x = 2,292,698.67 × 897,429.02
  4. Step 4: Simplify right side
    1,661,375.12x = 2,057,534,320,573.40
  5. Step 5: Solve for x
    x = 2,057,534,320,573.40/1,661,375.12
  6. Step 6: Final answer
    x = 1,238,452.59

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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.