Home / 1,384,171.80-2,076,549.30-437,638.20

Finding the Fourth Proportional to 1,384,171.80, 2,076,549.30 and 437,638.20

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Solution

The fourth proportional to 1,384,171.80, 2,076,549.30 and 437,638.20 is: 656,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,171.80 : 2,076,549.30 = 437,638.20 : x
  2. Step 2: Convert to fraction form
    1,384,171.80/2,076,549.30 = 437,638.20/x
  3. Step 3: Cross multiply
    1,384,171.80x = 2,076,549.30 × 437,638.20
  4. Step 4: Simplify right side
    1,384,171.80x = 908,777,297,863.26
  5. Step 5: Solve for x
    x = 908,777,297,863.26/1,384,171.80
  6. Step 6: Final answer
    x = 656,549.50

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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.