Home / 1,117,383.95-1,542,314.79-730,257.61

Finding the Fourth Proportional to 1,117,383.95, 1,542,314.79 and 730,257.61

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Solution

The fourth proportional to 1,117,383.95, 1,542,314.79 and 730,257.61 is: 1,007,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,383.95 : 1,542,314.79 = 730,257.61 : x
  2. Step 2: Convert to fraction form
    1,117,383.95/1,542,314.79 = 730,257.61/x
  3. Step 3: Cross multiply
    1,117,383.95x = 1,542,314.79 × 730,257.61
  4. Step 4: Simplify right side
    1,117,383.95x = 1,126,287,112,413.05
  5. Step 5: Solve for x
    x = 1,126,287,112,413.05/1,117,383.95
  6. Step 6: Final answer
    x = 1,007,967.86

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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.