Home / 1,501,912.90-2,072,692.65-822,849.94

Finding the Fourth Proportional to 1,501,912.90, 2,072,692.65 and 822,849.94

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Solution

The fourth proportional to 1,501,912.90, 2,072,692.65 and 822,849.94 is: 1,135,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,912.90 : 2,072,692.65 = 822,849.94 : x
  2. Step 2: Convert to fraction form
    1,501,912.90/2,072,692.65 = 822,849.94/x
  3. Step 3: Cross multiply
    1,501,912.90x = 2,072,692.65 × 822,849.94
  4. Step 4: Simplify right side
    1,501,912.90x = 1,705,515,022,690.94
  5. Step 5: Solve for x
    x = 1,705,515,022,690.94/1,501,912.90
  6. Step 6: Final answer
    x = 1,135,561.87

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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.