Home / 1,093,367.70-1,638,515.55-869,111.70

Finding the Fourth Proportional to 1,093,367.70, 1,638,515.55 and 869,111.70

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Solution

The fourth proportional to 1,093,367.70, 1,638,515.55 and 869,111.70 is: 1,302,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,367.70 : 1,638,515.55 = 869,111.70 : x
  2. Step 2: Convert to fraction form
    1,093,367.70/1,638,515.55 = 869,111.70/x
  3. Step 3: Cross multiply
    1,093,367.70x = 1,638,515.55 × 869,111.70
  4. Step 4: Simplify right side
    1,093,367.70x = 1,424,053,035,136.94
  5. Step 5: Solve for x
    x = 1,424,053,035,136.94/1,093,367.70
  6. Step 6: Final answer
    x = 1,302,446.59

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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.