Home / 1,375,716.52-2,063,646.80-416,147.54

Finding the Fourth Proportional to 1,375,716.52, 2,063,646.80 and 416,147.54

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Solution

The fourth proportional to 1,375,716.52, 2,063,646.80 and 416,147.54 is: 624,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,716.52 : 2,063,646.80 = 416,147.54 : x
  2. Step 2: Convert to fraction form
    1,375,716.52/2,063,646.80 = 416,147.54/x
  3. Step 3: Cross multiply
    1,375,716.52x = 2,063,646.80 × 416,147.54
  4. Step 4: Simplify right side
    1,375,716.52x = 858,781,539,248.87
  5. Step 5: Solve for x
    x = 858,781,539,248.87/1,375,716.52
  6. Step 6: Final answer
    x = 624,243.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.