Home / 1,484,979.67-2,227,112.43-685,493.20

Finding the Fourth Proportional to 1,484,979.67, 2,227,112.43 and 685,493.20

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Solution

The fourth proportional to 1,484,979.67, 2,227,112.43 and 685,493.20 is: 1,028,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,979.67 : 2,227,112.43 = 685,493.20 : x
  2. Step 2: Convert to fraction form
    1,484,979.67/2,227,112.43 = 685,493.20/x
  3. Step 3: Cross multiply
    1,484,979.67x = 2,227,112.43 × 685,493.20
  4. Step 4: Simplify right side
    1,484,979.67x = 1,526,670,426,400.48
  5. Step 5: Solve for x
    x = 1,526,670,426,400.48/1,484,979.67
  6. Step 6: Final answer
    x = 1,028,074.97

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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.