Home / 1,211,197.91-1,670,075.96-775,033.56

Finding the Fourth Proportional to 1,211,197.91, 1,670,075.96 and 775,033.56

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Solution

The fourth proportional to 1,211,197.91, 1,670,075.96 and 775,033.56 is: 1,068,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,197.91 : 1,670,075.96 = 775,033.56 : x
  2. Step 2: Convert to fraction form
    1,211,197.91/1,670,075.96 = 775,033.56/x
  3. Step 3: Cross multiply
    1,211,197.91x = 1,670,075.96 × 775,033.56
  4. Step 4: Simplify right side
    1,211,197.91x = 1,294,364,912,874.05
  5. Step 5: Solve for x
    x = 1,294,364,912,874.05/1,211,197.91
  6. Step 6: Final answer
    x = 1,068,665.09

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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.