Home / 839,422.80-1,259,134.20-673,534.80

Finding the Fourth Proportional to 839,422.80, 1,259,134.20 and 673,534.80

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Solution

The fourth proportional to 839,422.80, 1,259,134.20 and 673,534.80 is: 1,010,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,422.80 : 1,259,134.20 = 673,534.80 : x
  2. Step 2: Convert to fraction form
    839,422.80/1,259,134.20 = 673,534.80/x
  3. Step 3: Cross multiply
    839,422.80x = 1,259,134.20 × 673,534.80
  4. Step 4: Simplify right side
    839,422.80x = 848,070,701,570.16
  5. Step 5: Solve for x
    x = 848,070,701,570.16/839,422.80
  6. Step 6: Final answer
    x = 1,010,302.20

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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.