Home / 1,384,230.80-2,076,346.20-437,891.60

Finding the Fourth Proportional to 1,384,230.80, 2,076,346.20 and 437,891.60

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Solution

The fourth proportional to 1,384,230.80, 2,076,346.20 and 437,891.60 is: 656,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,230.80 : 2,076,346.20 = 437,891.60 : x
  2. Step 2: Convert to fraction form
    1,384,230.80/2,076,346.20 = 437,891.60/x
  3. Step 3: Cross multiply
    1,384,230.80x = 2,076,346.20 × 437,891.60
  4. Step 4: Simplify right side
    1,384,230.80x = 909,214,559,671.92
  5. Step 5: Solve for x
    x = 909,214,559,671.92/1,384,230.80
  6. Step 6: Final answer
    x = 656,837.40

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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.