Home / 1,384,132.60-2,076,198.90-637,636.60

Finding the Fourth Proportional to 1,384,132.60, 2,076,198.90 and 637,636.60

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Solution

The fourth proportional to 1,384,132.60, 2,076,198.90 and 637,636.60 is: 956,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,132.60 : 2,076,198.90 = 637,636.60 : x
  2. Step 2: Convert to fraction form
    1,384,132.60/2,076,198.90 = 637,636.60/x
  3. Step 3: Cross multiply
    1,384,132.60x = 2,076,198.90 × 637,636.60
  4. Step 4: Simplify right side
    1,384,132.60x = 1,323,860,407,519.74
  5. Step 5: Solve for x
    x = 1,323,860,407,519.74/1,384,132.60
  6. Step 6: Final answer
    x = 956,454.90

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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.