Home / 1,456,711.37-2,180,832.12-847,643.43

Finding the Fourth Proportional to 1,456,711.37, 2,180,832.12 and 847,643.43

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Solution

The fourth proportional to 1,456,711.37, 2,180,832.12 and 847,643.43 is: 1,269,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,711.37 : 2,180,832.12 = 847,643.43 : x
  2. Step 2: Convert to fraction form
    1,456,711.37/2,180,832.12 = 847,643.43/x
  3. Step 3: Cross multiply
    1,456,711.37x = 2,180,832.12 × 847,643.43
  4. Step 4: Simplify right side
    1,456,711.37x = 1,848,568,018,450.97
  5. Step 5: Solve for x
    x = 1,848,568,018,450.97/1,456,711.37
  6. Step 6: Final answer
    x = 1,269,000.89

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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.