Home / 1,384,985.40-2,076,224.22-543,311.16

Finding the Fourth Proportional to 1,384,985.40, 2,076,224.22 and 543,311.16

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Solution

The fourth proportional to 1,384,985.40, 2,076,224.22 and 543,311.16 is: 814,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,985.40 : 2,076,224.22 = 543,311.16 : x
  2. Step 2: Convert to fraction form
    1,384,985.40/2,076,224.22 = 543,311.16/x
  3. Step 3: Cross multiply
    1,384,985.40x = 2,076,224.22 × 543,311.16
  4. Step 4: Simplify right side
    1,384,985.40x = 1,128,035,789,388.30
  5. Step 5: Solve for x
    x = 1,128,035,789,388.30/1,384,985.40
  6. Step 6: Final answer
    x = 814,474.86

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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.