Finding the Fourth Proportional to 1,343,068.92, 1,853,431.68 and 739,456.92
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Solution
The fourth proportional to 1,343,068.92, 1,853,431.68 and 739,456.92 is: 1,020,448.66
Step by Step Solution
- Step 1: Write the proportion equation
1,343,068.92 : 1,853,431.68 = 739,456.92 : x - Step 2: Convert to fraction form
1,343,068.92/1,853,431.68 = 739,456.92/x - Step 3: Cross multiply
1,343,068.92x = 1,853,431.68 × 739,456.92 - Step 4: Simplify right side
1,343,068.92x = 1,370,532,881,523.23 - Step 5: Solve for x
x = 1,370,532,881,523.23/1,343,068.92 - Step 6: Final answer
x = 1,020,448.66
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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.