Finding the Fourth Proportional to 1,376,573.22, 1,901,260.62 and 916,930.62
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Solution
The fourth proportional to 1,376,573.22, 1,901,260.62 and 916,930.62 is: 1,266,423.07
Step by Step Solution
- Step 1: Write the proportion equation
1,376,573.22 : 1,901,260.62 = 916,930.62 : x - Step 2: Convert to fraction form
1,376,573.22/1,901,260.62 = 916,930.62/x - Step 3: Cross multiply
1,376,573.22x = 1,901,260.62 × 916,930.62 - Step 4: Simplify right side
1,376,573.22x = 1,743,324,079,078.18 - Step 5: Solve for x
x = 1,743,324,079,078.18/1,376,573.22 - Step 6: Final answer
x = 1,266,423.07
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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.