Home / 1,376,688.60-2,063,720.70-1,072,914.30

Finding the Fourth Proportional to 1,376,688.60, 2,063,720.70 and 1,072,914.30

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Solution

The fourth proportional to 1,376,688.60, 2,063,720.70 and 1,072,914.30 is: 1,608,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,688.60 : 2,063,720.70 = 1,072,914.30 : x
  2. Step 2: Convert to fraction form
    1,376,688.60/2,063,720.70 = 1,072,914.30/x
  3. Step 3: Cross multiply
    1,376,688.60x = 2,063,720.70 × 1,072,914.30
  4. Step 4: Simplify right side
    1,376,688.60x = 2,214,195,450,236.01
  5. Step 5: Solve for x
    x = 2,214,195,450,236.01/1,376,688.60
  6. Step 6: Final answer
    x = 1,608,348.79

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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.