Home / 1,261,717.51-1,892,576.34-1,007,809.20

Finding the Fourth Proportional to 1,261,717.51, 1,892,576.34 and 1,007,809.20

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Solution

The fourth proportional to 1,261,717.51, 1,892,576.34 and 1,007,809.20 is: 1,511,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,717.51 : 1,892,576.34 = 1,007,809.20 : x
  2. Step 2: Convert to fraction form
    1,261,717.51/1,892,576.34 = 1,007,809.20/x
  3. Step 3: Cross multiply
    1,261,717.51x = 1,892,576.34 × 1,007,809.20
  4. Step 4: Simplify right side
    1,261,717.51x = 1,907,355,847,154.33
  5. Step 5: Solve for x
    x = 1,907,355,847,154.33/1,261,717.51
  6. Step 6: Final answer
    x = 1,511,713.87

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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.