Home / 1,090,498-1,635,896.04-380,419.60

Finding the Fourth Proportional to 1,090,498, 1,635,896.04 and 380,419.60

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Solution

The fourth proportional to 1,090,498, 1,635,896.04 and 380,419.60 is: 570,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,498 : 1,635,896.04 = 380,419.60 : x
  2. Step 2: Convert to fraction form
    1,090,498/1,635,896.04 = 380,419.60/x
  3. Step 3: Cross multiply
    1,090,498x = 1,635,896.04 × 380,419.60
  4. Step 4: Simplify right side
    1,090,498x = 622,326,917,178.38
  5. Step 5: Solve for x
    x = 622,326,917,178.38/1,090,498
  6. Step 6: Final answer
    x = 570,681.39

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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.