Home / 1,501,679.67-2,072,369.70-822,616.17

Finding the Fourth Proportional to 1,501,679.67, 2,072,369.70 and 822,616.17

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Solution

The fourth proportional to 1,501,679.67, 2,072,369.70 and 822,616.17 is: 1,135,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,679.67 : 2,072,369.70 = 822,616.17 : x
  2. Step 2: Convert to fraction form
    1,501,679.67/2,072,369.70 = 822,616.17/x
  3. Step 3: Cross multiply
    1,501,679.67x = 2,072,369.70 × 822,616.17
  4. Step 4: Simplify right side
    1,501,679.67x = 1,704,764,825,438.05
  5. Step 5: Solve for x
    x = 1,704,764,825,438.05/1,501,679.67
  6. Step 6: Final answer
    x = 1,135,238.67

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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.