Home / 859,380.21-1,294,211.49-782,767.56

Finding the Fourth Proportional to 859,380.21, 1,294,211.49 and 782,767.56

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Solution

The fourth proportional to 859,380.21, 1,294,211.49 and 782,767.56 is: 1,178,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,380.21 : 1,294,211.49 = 782,767.56 : x
  2. Step 2: Convert to fraction form
    859,380.21/1,294,211.49 = 782,767.56/x
  3. Step 3: Cross multiply
    859,380.21x = 1,294,211.49 × 782,767.56
  4. Step 4: Simplify right side
    859,380.21x = 1,013,066,770,151.26
  5. Step 5: Solve for x
    x = 1,013,066,770,151.26/859,380.21
  6. Step 6: Final answer
    x = 1,178,834.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.