Home / 1,443,984.90-2,165,977.35-379,134.60

Finding the Fourth Proportional to 1,443,984.90, 2,165,977.35 and 379,134.60

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Solution

The fourth proportional to 1,443,984.90, 2,165,977.35 and 379,134.60 is: 568,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,984.90 : 2,165,977.35 = 379,134.60 : x
  2. Step 2: Convert to fraction form
    1,443,984.90/2,165,977.35 = 379,134.60/x
  3. Step 3: Cross multiply
    1,443,984.90x = 2,165,977.35 × 379,134.60
  4. Step 4: Simplify right side
    1,443,984.90x = 821,196,956,201.31
  5. Step 5: Solve for x
    x = 821,196,956,201.31/1,443,984.90
  6. Step 6: Final answer
    x = 568,701.90

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Double scale
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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.