Home / 1,090,494-1,635,890.04-380,415.60

Finding the Fourth Proportional to 1,090,494, 1,635,890.04 and 380,415.60

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Solution

The fourth proportional to 1,090,494, 1,635,890.04 and 380,415.60 is: 570,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,494 : 1,635,890.04 = 380,415.60 : x
  2. Step 2: Convert to fraction form
    1,090,494/1,635,890.04 = 380,415.60/x
  3. Step 3: Cross multiply
    1,090,494x = 1,635,890.04 × 380,415.60
  4. Step 4: Simplify right side
    1,090,494x = 622,318,091,100.62
  5. Step 5: Solve for x
    x = 622,318,091,100.62/1,090,494
  6. Step 6: Final answer
    x = 570,675.39

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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.