Home / 1,370,357.80-1,890,945.81-758,413.33

Finding the Fourth Proportional to 1,370,357.80, 1,890,945.81 and 758,413.33

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Solution

The fourth proportional to 1,370,357.80, 1,890,945.81 and 758,413.33 is: 1,046,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,357.80 : 1,890,945.81 = 758,413.33 : x
  2. Step 2: Convert to fraction form
    1,370,357.80/1,890,945.81 = 758,413.33/x
  3. Step 3: Cross multiply
    1,370,357.80x = 1,890,945.81 × 758,413.33
  4. Step 4: Simplify right side
    1,370,357.80x = 1,434,118,503,884.28
  5. Step 5: Solve for x
    x = 1,434,118,503,884.28/1,370,357.80
  6. Step 6: Final answer
    x = 1,046,528.51

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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.