Home / 1,151,824.40-1,727,218.20-520,413.20

Finding the Fourth Proportional to 1,151,824.40, 1,727,218.20 and 520,413.20

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Solution

The fourth proportional to 1,151,824.40, 1,727,218.20 and 520,413.20 is: 780,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,824.40 : 1,727,218.20 = 520,413.20 : x
  2. Step 2: Convert to fraction form
    1,151,824.40/1,727,218.20 = 520,413.20/x
  3. Step 3: Cross multiply
    1,151,824.40x = 1,727,218.20 × 520,413.20
  4. Step 4: Simplify right side
    1,151,824.40x = 898,867,150,560.24
  5. Step 5: Solve for x
    x = 898,867,150,560.24/1,151,824.40
  6. Step 6: Final answer
    x = 780,385.58

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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.