Home / 1,138,163.52-1,570,662.44-628,862.26

Finding the Fourth Proportional to 1,138,163.52, 1,570,662.44 and 628,862.26

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Solution

The fourth proportional to 1,138,163.52, 1,570,662.44 and 628,862.26 is: 867,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,163.52 : 1,570,662.44 = 628,862.26 : x
  2. Step 2: Convert to fraction form
    1,138,163.52/1,570,662.44 = 628,862.26/x
  3. Step 3: Cross multiply
    1,138,163.52x = 1,570,662.44 × 628,862.26
  4. Step 4: Simplify right side
    1,138,163.52x = 987,730,331,715.51
  5. Step 5: Solve for x
    x = 987,730,331,715.51/1,138,163.52
  6. Step 6: Final answer
    x = 867,828.14

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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.