Home / 1,384,204.30-2,076,306.45-437,865.10

Finding the Fourth Proportional to 1,384,204.30, 2,076,306.45 and 437,865.10

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Solution

The fourth proportional to 1,384,204.30, 2,076,306.45 and 437,865.10 is: 656,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,204.30 : 2,076,306.45 = 437,865.10 : x
  2. Step 2: Convert to fraction form
    1,384,204.30/2,076,306.45 = 437,865.10/x
  3. Step 3: Cross multiply
    1,384,204.30x = 2,076,306.45 × 437,865.10
  4. Step 4: Simplify right side
    1,384,204.30x = 909,142,131,359.90
  5. Step 5: Solve for x
    x = 909,142,131,359.90/1,384,204.30
  6. Step 6: Final answer
    x = 656,797.65

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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.