Home / 1,256,018.70-1,884,028.05-1,207,029.90

Finding the Fourth Proportional to 1,256,018.70, 1,884,028.05 and 1,207,029.90

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Solution

The fourth proportional to 1,256,018.70, 1,884,028.05 and 1,207,029.90 is: 1,810,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,018.70 : 1,884,028.05 = 1,207,029.90 : x
  2. Step 2: Convert to fraction form
    1,256,018.70/1,884,028.05 = 1,207,029.90/x
  3. Step 3: Cross multiply
    1,256,018.70x = 1,884,028.05 × 1,207,029.90
  4. Step 4: Simplify right side
    1,256,018.70x = 2,274,078,188,788.69
  5. Step 5: Solve for x
    x = 2,274,078,188,788.69/1,256,018.70
  6. Step 6: Final answer
    x = 1,810,544.85

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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.