Home / 1,243,302.80-1,861,843.80-994,470.80

Finding the Fourth Proportional to 1,243,302.80, 1,861,843.80 and 994,470.80

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Solution

The fourth proportional to 1,243,302.80, 1,861,843.80 and 994,470.80 is: 1,489,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,302.80 : 1,861,843.80 = 994,470.80 : x
  2. Step 2: Convert to fraction form
    1,243,302.80/1,861,843.80 = 994,470.80/x
  3. Step 3: Cross multiply
    1,243,302.80x = 1,861,843.80 × 994,470.80
  4. Step 4: Simplify right side
    1,243,302.80x = 1,851,549,293,261.04
  5. Step 5: Solve for x
    x = 1,851,549,293,261.04/1,243,302.80
  6. Step 6: Final answer
    x = 1,489,218.31

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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.