Home / 1,049,983.44-1,449,086-642,356.80

Finding the Fourth Proportional to 1,049,983.44, 1,449,086 and 642,356.80

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Solution

The fourth proportional to 1,049,983.44, 1,449,086 and 642,356.80 is: 886,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,983.44 : 1,449,086 = 642,356.80 : x
  2. Step 2: Convert to fraction form
    1,049,983.44/1,449,086 = 642,356.80/x
  3. Step 3: Cross multiply
    1,049,983.44x = 1,449,086 × 642,356.80
  4. Step 4: Simplify right side
    1,049,983.44x = 930,830,245,884.80
  5. Step 5: Solve for x
    x = 930,830,245,884.80/1,049,983.44
  6. Step 6: Final answer
    x = 886,518.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.