Home / 1,384,228.80-2,076,343.20-437,889.60

Finding the Fourth Proportional to 1,384,228.80, 2,076,343.20 and 437,889.60

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Solution

The fourth proportional to 1,384,228.80, 2,076,343.20 and 437,889.60 is: 656,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,228.80 : 2,076,343.20 = 437,889.60 : x
  2. Step 2: Convert to fraction form
    1,384,228.80/2,076,343.20 = 437,889.60/x
  3. Step 3: Cross multiply
    1,384,228.80x = 2,076,343.20 × 437,889.60
  4. Step 4: Simplify right side
    1,384,228.80x = 909,209,093,310.72
  5. Step 5: Solve for x
    x = 909,209,093,310.72/1,384,228.80
  6. Step 6: Final answer
    x = 656,834.40

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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.