Home / 1,384,439.70-2,076,465.15-437,906.10

Finding the Fourth Proportional to 1,384,439.70, 2,076,465.15 and 437,906.10

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Solution

The fourth proportional to 1,384,439.70, 2,076,465.15 and 437,906.10 is: 656,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,439.70 : 2,076,465.15 = 437,906.10 : x
  2. Step 2: Convert to fraction form
    1,384,439.70/2,076,465.15 = 437,906.10/x
  3. Step 3: Cross multiply
    1,384,439.70x = 2,076,465.15 × 437,906.10
  4. Step 4: Simplify right side
    1,384,439.70x = 909,296,755,622.42
  5. Step 5: Solve for x
    x = 909,296,755,622.42/1,384,439.70
  6. Step 6: Final answer
    x = 656,797.66

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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.