Home / 839,816.20-1,262,834.70-702,958.60

Finding the Fourth Proportional to 839,816.20, 1,262,834.70 and 702,958.60

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Solution

The fourth proportional to 839,816.20, 1,262,834.70 and 702,958.60 is: 1,057,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,816.20 : 1,262,834.70 = 702,958.60 : x
  2. Step 2: Convert to fraction form
    839,816.20/1,262,834.70 = 702,958.60/x
  3. Step 3: Cross multiply
    839,816.20x = 1,262,834.70 × 702,958.60
  4. Step 4: Simplify right side
    839,816.20x = 887,720,512,743.42
  5. Step 5: Solve for x
    x = 887,720,512,743.42/839,816.20
  6. Step 6: Final answer
    x = 1,057,041.42

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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.