Home / 1,284,554.56-1,768,640.96-1,090,578.60

Finding the Fourth Proportional to 1,284,554.56, 1,768,640.96 and 1,090,578.60

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Solution

The fourth proportional to 1,284,554.56, 1,768,640.96 and 1,090,578.60 is: 1,501,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,554.56 : 1,768,640.96 = 1,090,578.60 : x
  2. Step 2: Convert to fraction form
    1,284,554.56/1,768,640.96 = 1,090,578.60/x
  3. Step 3: Cross multiply
    1,284,554.56x = 1,768,640.96 × 1,090,578.60
  4. Step 4: Simplify right side
    1,284,554.56x = 1,928,841,982,059.46
  5. Step 5: Solve for x
    x = 1,928,841,982,059.46/1,284,554.56
  6. Step 6: Final answer
    x = 1,501,564.86

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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.