Home / 1,209,391.86-1,814,022.18-367,878

Finding the Fourth Proportional to 1,209,391.86, 1,814,022.18 and 367,878

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Solution

The fourth proportional to 1,209,391.86, 1,814,022.18 and 367,878 is: 551,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,391.86 : 1,814,022.18 = 367,878 : x
  2. Step 2: Convert to fraction form
    1,209,391.86/1,814,022.18 = 367,878/x
  3. Step 3: Cross multiply
    1,209,391.86x = 1,814,022.18 × 367,878
  4. Step 4: Simplify right side
    1,209,391.86x = 667,338,851,534.04
  5. Step 5: Solve for x
    x = 667,338,851,534.04/1,209,391.86
  6. Step 6: Final answer
    x = 551,797.04

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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.