Home / 905,577.26-1,356,123.82-665,120.94

Finding the Fourth Proportional to 905,577.26, 1,356,123.82 and 665,120.94

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Solution

The fourth proportional to 905,577.26, 1,356,123.82 and 665,120.94 is: 996,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,577.26 : 1,356,123.82 = 665,120.94 : x
  2. Step 2: Convert to fraction form
    905,577.26/1,356,123.82 = 665,120.94/x
  3. Step 3: Cross multiply
    905,577.26x = 1,356,123.82 × 665,120.94
  4. Step 4: Simplify right side
    905,577.26x = 901,986,349,914.79
  5. Step 5: Solve for x
    x = 901,986,349,914.79/905,577.26
  6. Step 6: Final answer
    x = 996,034.67

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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.