Home / 1,212,413.76-1,819,145.12-650,792.64

Finding the Fourth Proportional to 1,212,413.76, 1,819,145.12 and 650,792.64

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Solution

The fourth proportional to 1,212,413.76, 1,819,145.12 and 650,792.64 is: 976,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,413.76 : 1,819,145.12 = 650,792.64 : x
  2. Step 2: Convert to fraction form
    1,212,413.76/1,819,145.12 = 650,792.64/x
  3. Step 3: Cross multiply
    1,212,413.76x = 1,819,145.12 × 650,792.64
  4. Step 4: Simplify right side
    1,212,413.76x = 1,183,886,255,187.92
  5. Step 5: Solve for x
    x = 1,183,886,255,187.92/1,212,413.76
  6. Step 6: Final answer
    x = 976,470.49

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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.