Finding the Fourth Proportional to 1,277,922.42, 1,763,523.09 and 704,986.74
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Solution
The fourth proportional to 1,277,922.42, 1,763,523.09 and 704,986.74 is: 972,876.27
Step by Step Solution
- Step 1: Write the proportion equation
1,277,922.42 : 1,763,523.09 = 704,986.74 : x - Step 2: Convert to fraction form
1,277,922.42/1,763,523.09 = 704,986.74/x - Step 3: Cross multiply
1,277,922.42x = 1,763,523.09 × 704,986.74 - Step 4: Simplify right side
1,277,922.42x = 1,243,260,394,133.83 - Step 5: Solve for x
x = 1,243,260,394,133.83/1,277,922.42 - Step 6: Final answer
x = 972,876.27
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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.