Home / 1,076,364.30-1,613,999.70-627,178.80

Finding the Fourth Proportional to 1,076,364.30, 1,613,999.70 and 627,178.80

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Solution

The fourth proportional to 1,076,364.30, 1,613,999.70 and 627,178.80 is: 940,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,364.30 : 1,613,999.70 = 627,178.80 : x
  2. Step 2: Convert to fraction form
    1,076,364.30/1,613,999.70 = 627,178.80/x
  3. Step 3: Cross multiply
    1,076,364.30x = 1,613,999.70 × 627,178.80
  4. Step 4: Simplify right side
    1,076,364.30x = 1,012,266,395,046.36
  5. Step 5: Solve for x
    x = 1,012,266,395,046.36/1,076,364.30
  6. Step 6: Final answer
    x = 940,449.62

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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.