Finding the Fourth Proportional to 1,409,791.72, 1,945,514.74 and 765,212.08
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Solution
The fourth proportional to 1,409,791.72, 1,945,514.74 and 765,212.08 is: 1,055,993.84
Step by Step Solution
- Step 1: Write the proportion equation
1,409,791.72 : 1,945,514.74 = 765,212.08 : x - Step 2: Convert to fraction form
1,409,791.72/1,945,514.74 = 765,212.08/x - Step 3: Cross multiply
1,409,791.72x = 1,945,514.74 × 765,212.08 - Step 4: Simplify right side
1,409,791.72x = 1,488,731,369,225.46 - Step 5: Solve for x
x = 1,488,731,369,225.46/1,409,791.72 - Step 6: Final answer
x = 1,055,993.84
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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.