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Finding the Fourth Proportional to 1,370,394.93, 1,890,710.25 and 797,324.39

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Solution

The fourth proportional to 1,370,394.93, 1,890,710.25 and 797,324.39 is: 1,100,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,394.93 : 1,890,710.25 = 797,324.39 : x
  2. Step 2: Convert to fraction form
    1,370,394.93/1,890,710.25 = 797,324.39/x
  3. Step 3: Cross multiply
    1,370,394.93x = 1,890,710.25 × 797,324.39
  4. Step 4: Simplify right side
    1,370,394.93x = 1,507,509,395,879.59
  5. Step 5: Solve for x
    x = 1,507,509,395,879.59/1,370,394.93
  6. Step 6: Final answer
    x = 1,100,054.71

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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.