Home / 1,286,452.32-1,775,413.20-713,677

Finding the Fourth Proportional to 1,286,452.32, 1,775,413.20 and 713,677

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Solution

The fourth proportional to 1,286,452.32, 1,775,413.20 and 713,677 is: 984,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,452.32 : 1,775,413.20 = 713,677 : x
  2. Step 2: Convert to fraction form
    1,286,452.32/1,775,413.20 = 713,677/x
  3. Step 3: Cross multiply
    1,286,452.32x = 1,775,413.20 × 713,677
  4. Step 4: Simplify right side
    1,286,452.32x = 1,267,071,566,336.40
  5. Step 5: Solve for x
    x = 1,267,071,566,336.40/1,286,452.32
  6. Step 6: Final answer
    x = 984,934.73

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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.