Home / 1,214,381.21-1,675,814.14-670,505.29

Finding the Fourth Proportional to 1,214,381.21, 1,675,814.14 and 670,505.29

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Solution

The fourth proportional to 1,214,381.21, 1,675,814.14 and 670,505.29 is: 925,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,381.21 : 1,675,814.14 = 670,505.29 : x
  2. Step 2: Convert to fraction form
    1,214,381.21/1,675,814.14 = 670,505.29/x
  3. Step 3: Cross multiply
    1,214,381.21x = 1,675,814.14 × 670,505.29
  4. Step 4: Simplify right side
    1,214,381.21x = 1,123,642,244,250.54
  5. Step 5: Solve for x
    x = 1,123,642,244,250.54/1,214,381.21
  6. Step 6: Final answer
    x = 925,279.67

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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.