Home / 1,485,428.54-2,227,879.49-675,623.78

Finding the Fourth Proportional to 1,485,428.54, 2,227,879.49 and 675,623.78

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Solution

The fourth proportional to 1,485,428.54, 2,227,879.49 and 675,623.78 is: 1,013,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,428.54 : 2,227,879.49 = 675,623.78 : x
  2. Step 2: Convert to fraction form
    1,485,428.54/2,227,879.49 = 675,623.78/x
  3. Step 3: Cross multiply
    1,485,428.54x = 2,227,879.49 × 675,623.78
  4. Step 4: Simplify right side
    1,485,428.54x = 1,505,208,347,900.76
  5. Step 5: Solve for x
    x = 1,505,208,347,900.76/1,485,428.54
  6. Step 6: Final answer
    x = 1,013,315.90

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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.