Home / 839,957.80-1,259,936.70-741,980.20

Finding the Fourth Proportional to 839,957.80, 1,259,936.70 and 741,980.20

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Solution

The fourth proportional to 839,957.80, 1,259,936.70 and 741,980.20 is: 1,112,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,957.80 : 1,259,936.70 = 741,980.20 : x
  2. Step 2: Convert to fraction form
    839,957.80/1,259,936.70 = 741,980.20/x
  3. Step 3: Cross multiply
    839,957.80x = 1,259,936.70 × 741,980.20
  4. Step 4: Simplify right side
    839,957.80x = 934,848,084,653.34
  5. Step 5: Solve for x
    x = 934,848,084,653.34/839,957.80
  6. Step 6: Final answer
    x = 1,112,970.30

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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.