Home / 839,922.20-1,258,133.70-699,954.20

Finding the Fourth Proportional to 839,922.20, 1,258,133.70 and 699,954.20

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Solution

The fourth proportional to 839,922.20, 1,258,133.70 and 699,954.20 is: 1,048,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,922.20 : 1,258,133.70 = 699,954.20 : x
  2. Step 2: Convert to fraction form
    839,922.20/1,258,133.70 = 699,954.20/x
  3. Step 3: Cross multiply
    839,922.20x = 1,258,133.70 × 699,954.20
  4. Step 4: Simplify right side
    839,922.20x = 880,635,967,476.54
  5. Step 5: Solve for x
    x = 880,635,967,476.54/839,922.20
  6. Step 6: Final answer
    x = 1,048,473.26

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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.