Home / 1,375,621.30-2,063,723.55-415,998.10

Finding the Fourth Proportional to 1,375,621.30, 2,063,723.55 and 415,998.10

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Solution

The fourth proportional to 1,375,621.30, 2,063,723.55 and 415,998.10 is: 624,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,621.30 : 2,063,723.55 = 415,998.10 : x
  2. Step 2: Convert to fraction form
    1,375,621.30/2,063,723.55 = 415,998.10/x
  3. Step 3: Cross multiply
    1,375,621.30x = 2,063,723.55 × 415,998.10
  4. Step 4: Simplify right side
    1,375,621.30x = 858,505,075,725.26
  5. Step 5: Solve for x
    x = 858,505,075,725.26/1,375,621.30
  6. Step 6: Final answer
    x = 624,085.33

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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.