Home / 839,468.80-1,259,203.20-806,809.60

Finding the Fourth Proportional to 839,468.80, 1,259,203.20 and 806,809.60

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Solution

The fourth proportional to 839,468.80, 1,259,203.20 and 806,809.60 is: 1,210,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,468.80 : 1,259,203.20 = 806,809.60 : x
  2. Step 2: Convert to fraction form
    839,468.80/1,259,203.20 = 806,809.60/x
  3. Step 3: Cross multiply
    839,468.80x = 1,259,203.20 × 806,809.60
  4. Step 4: Simplify right side
    839,468.80x = 1,015,937,230,110.72
  5. Step 5: Solve for x
    x = 1,015,937,230,110.72/839,468.80
  6. Step 6: Final answer
    x = 1,210,214.40

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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.