Finding the Fourth Proportional to 1,342,186.20, 1,852,193.52 and 730,318.32
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Solution
The fourth proportional to 1,342,186.20, 1,852,193.52 and 730,318.32 is: 1,007,826.53
Step by Step Solution
- Step 1: Write the proportion equation
1,342,186.20 : 1,852,193.52 = 730,318.32 : x - Step 2: Convert to fraction form
1,342,186.20/1,852,193.52 = 730,318.32/x - Step 3: Cross multiply
1,342,186.20x = 1,852,193.52 × 730,318.32 - Step 4: Simplify right side
1,342,186.20x = 1,352,690,859,841.29 - Step 5: Solve for x
x = 1,352,690,859,841.29/1,342,186.20 - Step 6: Final answer
x = 1,007,826.53
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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.