Home / 1,489,094.40-2,231,179.20-856,905.60

Finding the Fourth Proportional to 1,489,094.40, 2,231,179.20 and 856,905.60

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Solution

The fourth proportional to 1,489,094.40, 2,231,179.20 and 856,905.60 is: 1,283,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,094.40 : 2,231,179.20 = 856,905.60 : x
  2. Step 2: Convert to fraction form
    1,489,094.40/2,231,179.20 = 856,905.60/x
  3. Step 3: Cross multiply
    1,489,094.40x = 2,231,179.20 × 856,905.60
  4. Step 4: Simplify right side
    1,489,094.40x = 1,911,909,951,083.52
  5. Step 5: Solve for x
    x = 1,911,909,951,083.52/1,489,094.40
  6. Step 6: Final answer
    x = 1,283,941.40

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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.