Home / 1,359,413.21-2,039,119.71-647,282.27

Finding the Fourth Proportional to 1,359,413.21, 2,039,119.71 and 647,282.27

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Solution

The fourth proportional to 1,359,413.21, 2,039,119.71 and 647,282.27 is: 970,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,413.21 : 2,039,119.71 = 647,282.27 : x
  2. Step 2: Convert to fraction form
    1,359,413.21/2,039,119.71 = 647,282.27/x
  3. Step 3: Cross multiply
    1,359,413.21x = 2,039,119.71 × 647,282.27
  4. Step 4: Simplify right side
    1,359,413.21x = 1,319,886,037,361.03
  5. Step 5: Solve for x
    x = 1,319,886,037,361.03/1,359,413.21
  6. Step 6: Final answer
    x = 970,923.36

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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.