Finding the Fourth Proportional to 1,342,771.74, 1,853,048.63 and 730,942.09
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Solution
The fourth proportional to 1,342,771.74, 1,853,048.63 and 730,942.09 is: 1,008,712.94
Step by Step Solution
- Step 1: Write the proportion equation
1,342,771.74 : 1,853,048.63 = 730,942.09 : x - Step 2: Convert to fraction form
1,342,771.74/1,853,048.63 = 730,942.09/x - Step 3: Cross multiply
1,342,771.74x = 1,853,048.63 × 730,942.09 - Step 4: Simplify right side
1,342,771.74x = 1,354,471,232,937.54 - Step 5: Solve for x
x = 1,354,471,232,937.54/1,342,771.74 - Step 6: Final answer
x = 1,008,712.94
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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.