Home / 994,412.80-1,491,619.20-889,436.80

Finding the Fourth Proportional to 994,412.80, 1,491,619.20 and 889,436.80

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Solution

The fourth proportional to 994,412.80, 1,491,619.20 and 889,436.80 is: 1,334,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,412.80 : 1,491,619.20 = 889,436.80 : x
  2. Step 2: Convert to fraction form
    994,412.80/1,491,619.20 = 889,436.80/x
  3. Step 3: Cross multiply
    994,412.80x = 1,491,619.20 × 889,436.80
  4. Step 4: Simplify right side
    994,412.80x = 1,326,701,008,066.56
  5. Step 5: Solve for x
    x = 1,326,701,008,066.56/994,412.80
  6. Step 6: Final answer
    x = 1,334,155.20

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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.