Home / 1,384,453.80-2,076,680.70-908,562.60

Finding the Fourth Proportional to 1,384,453.80, 2,076,680.70 and 908,562.60

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Solution

The fourth proportional to 1,384,453.80, 2,076,680.70 and 908,562.60 is: 1,362,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,453.80 : 2,076,680.70 = 908,562.60 : x
  2. Step 2: Convert to fraction form
    1,384,453.80/2,076,680.70 = 908,562.60/x
  3. Step 3: Cross multiply
    1,384,453.80x = 2,076,680.70 × 908,562.60
  4. Step 4: Simplify right side
    1,384,453.80x = 1,886,794,416,161.82
  5. Step 5: Solve for x
    x = 1,886,794,416,161.82/1,384,453.80
  6. Step 6: Final answer
    x = 1,362,843.90

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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.