Home / 849,452.30-1,274,178.45-816,793.10

Finding the Fourth Proportional to 849,452.30, 1,274,178.45 and 816,793.10

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Solution

The fourth proportional to 849,452.30, 1,274,178.45 and 816,793.10 is: 1,225,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,452.30 : 1,274,178.45 = 816,793.10 : x
  2. Step 2: Convert to fraction form
    849,452.30/1,274,178.45 = 816,793.10/x
  3. Step 3: Cross multiply
    849,452.30x = 1,274,178.45 × 816,793.10
  4. Step 4: Simplify right side
    849,452.30x = 1,040,740,166,128.70
  5. Step 5: Solve for x
    x = 1,040,740,166,128.70/849,452.30
  6. Step 6: Final answer
    x = 1,225,189.65

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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.