Home / 1,568,413.18-2,352,432.71-431,290.90

Finding the Fourth Proportional to 1,568,413.18, 2,352,432.71 and 431,290.90

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Solution

The fourth proportional to 1,568,413.18, 2,352,432.71 and 431,290.90 is: 646,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,413.18 : 2,352,432.71 = 431,290.90 : x
  2. Step 2: Convert to fraction form
    1,568,413.18/2,352,432.71 = 431,290.90/x
  3. Step 3: Cross multiply
    1,568,413.18x = 2,352,432.71 × 431,290.90
  4. Step 4: Simplify right side
    1,568,413.18x = 1,014,582,820,685.34
  5. Step 5: Solve for x
    x = 1,014,582,820,685.34/1,568,413.18
  6. Step 6: Final answer
    x = 646,884.91

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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.