Home / 1,631,911.05-2,251,099.04-1,018,999.71

Finding the Fourth Proportional to 1,631,911.05, 2,251,099.04 and 1,018,999.71

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Solution

The fourth proportional to 1,631,911.05, 2,251,099.04 and 1,018,999.71 is: 1,405,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,911.05 : 2,251,099.04 = 1,018,999.71 : x
  2. Step 2: Convert to fraction form
    1,631,911.05/2,251,099.04 = 1,018,999.71/x
  3. Step 3: Cross multiply
    1,631,911.05x = 2,251,099.04 × 1,018,999.71
  4. Step 4: Simplify right side
    1,631,911.05x = 2,293,869,263,846.28
  5. Step 5: Solve for x
    x = 2,293,869,263,846.28/1,631,911.05
  6. Step 6: Final answer
    x = 1,405,633.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.