Finding the Fourth Proportional to 1,266,277.15, 1,747,450.53 and 685,485.42
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Solution
The fourth proportional to 1,266,277.15, 1,747,450.53 and 685,485.42 is: 945,963.42
Step by Step Solution
- Step 1: Write the proportion equation
1,266,277.15 : 1,747,450.53 = 685,485.42 : x - Step 2: Convert to fraction form
1,266,277.15/1,747,450.53 = 685,485.42/x - Step 3: Cross multiply
1,266,277.15x = 1,747,450.53 × 685,485.42 - Step 4: Simplify right side
1,266,277.15x = 1,197,851,860,486.27 - Step 5: Solve for x
x = 1,197,851,860,486.27/1,266,277.15 - Step 6: Final answer
x = 945,963.42
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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.