Home / 1,415,515.50-1,953,433.67-770,935.19

Finding the Fourth Proportional to 1,415,515.50, 1,953,433.67 and 770,935.19

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Solution

The fourth proportional to 1,415,515.50, 1,953,433.67 and 770,935.19 is: 1,063,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,515.50 : 1,953,433.67 = 770,935.19 : x
  2. Step 2: Convert to fraction form
    1,415,515.50/1,953,433.67 = 770,935.19/x
  3. Step 3: Cross multiply
    1,415,515.50x = 1,953,433.67 × 770,935.19
  4. Step 4: Simplify right side
    1,415,515.50x = 1,505,970,743,912.00
  5. Step 5: Solve for x
    x = 1,505,970,743,912.00/1,415,515.50
  6. Step 6: Final answer
    x = 1,063,902.69

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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.