Home / 1,122,413.80-1,548,905.88-613,118.20

Finding the Fourth Proportional to 1,122,413.80, 1,548,905.88 and 613,118.20

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Solution

The fourth proportional to 1,122,413.80, 1,548,905.88 and 613,118.20 is: 846,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,413.80 : 1,548,905.88 = 613,118.20 : x
  2. Step 2: Convert to fraction form
    1,122,413.80/1,548,905.88 = 613,118.20/x
  3. Step 3: Cross multiply
    1,122,413.80x = 1,548,905.88 × 613,118.20
  4. Step 4: Simplify right side
    1,122,413.80x = 949,662,385,115.02
  5. Step 5: Solve for x
    x = 949,662,385,115.02/1,122,413.80
  6. Step 6: Final answer
    x = 846,089.37

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1.5x scale

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.