Home / 1,384,272.60-2,076,408.90-636,318.60

Finding the Fourth Proportional to 1,384,272.60, 2,076,408.90 and 636,318.60

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Solution

The fourth proportional to 1,384,272.60, 2,076,408.90 and 636,318.60 is: 954,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,272.60 : 2,076,408.90 = 636,318.60 : x
  2. Step 2: Convert to fraction form
    1,384,272.60/2,076,408.90 = 636,318.60/x
  3. Step 3: Cross multiply
    1,384,272.60x = 2,076,408.90 × 636,318.60
  4. Step 4: Simplify right side
    1,384,272.60x = 1,321,257,604,275.54
  5. Step 5: Solve for x
    x = 1,321,257,604,275.54/1,384,272.60
  6. Step 6: Final answer
    x = 954,477.90

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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.