Home / 1,076,689.81-1,485,936.62-804,284.79

Finding the Fourth Proportional to 1,076,689.81, 1,485,936.62 and 804,284.79

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Solution

The fourth proportional to 1,076,689.81, 1,485,936.62 and 804,284.79 is: 1,109,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,689.81 : 1,485,936.62 = 804,284.79 : x
  2. Step 2: Convert to fraction form
    1,076,689.81/1,485,936.62 = 804,284.79/x
  3. Step 3: Cross multiply
    1,076,689.81x = 1,485,936.62 × 804,284.79
  4. Step 4: Simplify right side
    1,076,689.81x = 1,195,116,222,370.01
  5. Step 5: Solve for x
    x = 1,195,116,222,370.01/1,076,689.81
  6. Step 6: Final answer
    x = 1,109,991.21

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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.