Home / 1,387,204.40-2,080,806.60-1,293,892.40

Finding the Fourth Proportional to 1,387,204.40, 2,080,806.60 and 1,293,892.40

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Solution

The fourth proportional to 1,387,204.40, 2,080,806.60 and 1,293,892.40 is: 1,940,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,204.40 : 2,080,806.60 = 1,293,892.40 : x
  2. Step 2: Convert to fraction form
    1,387,204.40/2,080,806.60 = 1,293,892.40/x
  3. Step 3: Cross multiply
    1,387,204.40x = 2,080,806.60 × 1,293,892.40
  4. Step 4: Simplify right side
    1,387,204.40x = 2,692,339,845,609.84
  5. Step 5: Solve for x
    x = 2,692,339,845,609.84/1,387,204.40
  6. Step 6: Final answer
    x = 1,940,838.60

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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.