Home / 1,603,513.44-2,212,009.60-991,470.56

Finding the Fourth Proportional to 1,603,513.44, 2,212,009.60 and 991,470.56

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Solution

The fourth proportional to 1,603,513.44, 2,212,009.60 and 991,470.56 is: 1,367,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,513.44 : 2,212,009.60 = 991,470.56 : x
  2. Step 2: Convert to fraction form
    1,603,513.44/2,212,009.60 = 991,470.56/x
  3. Step 3: Cross multiply
    1,603,513.44x = 2,212,009.60 × 991,470.56
  4. Step 4: Simplify right side
    1,603,513.44x = 2,193,142,396,837.38
  5. Step 5: Solve for x
    x = 2,193,142,396,837.38/1,603,513.44
  6. Step 6: Final answer
    x = 1,367,710.64

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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.