Home / 1,431,683.76-2,147,413.92-832,262.64

Finding the Fourth Proportional to 1,431,683.76, 2,147,413.92 and 832,262.64

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Solution

The fourth proportional to 1,431,683.76, 2,147,413.92 and 832,262.64 is: 1,248,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,683.76 : 2,147,413.92 = 832,262.64 : x
  2. Step 2: Convert to fraction form
    1,431,683.76/2,147,413.92 = 832,262.64/x
  3. Step 3: Cross multiply
    1,431,683.76x = 2,147,413.92 × 832,262.64
  4. Step 4: Simplify right side
    1,431,683.76x = 1,787,212,378,231.95
  5. Step 5: Solve for x
    x = 1,787,212,378,231.95/1,431,683.76
  6. Step 6: Final answer
    x = 1,248,329.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.