Home / 1,198,657.54-1,654,179.78-715,502.94

Finding the Fourth Proportional to 1,198,657.54, 1,654,179.78 and 715,502.94

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Solution

The fourth proportional to 1,198,657.54, 1,654,179.78 and 715,502.94 is: 987,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,657.54 : 1,654,179.78 = 715,502.94 : x
  2. Step 2: Convert to fraction form
    1,198,657.54/1,654,179.78 = 715,502.94/x
  3. Step 3: Cross multiply
    1,198,657.54x = 1,654,179.78 × 715,502.94
  4. Step 4: Simplify right side
    1,198,657.54x = 1,183,570,495,878.55
  5. Step 5: Solve for x
    x = 1,183,570,495,878.55/1,198,657.54
  6. Step 6: Final answer
    x = 987,413.38

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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.