Finding the Fourth Proportional to 1,336,310.39, 1,845,630.70 and 905,843.18
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Solution
The fourth proportional to 1,336,310.39, 1,845,630.70 and 905,843.18 is: 1,251,095.55
Step by Step Solution
- Step 1: Write the proportion equation
1,336,310.39 : 1,845,630.70 = 905,843.18 : x - Step 2: Convert to fraction form
1,336,310.39/1,845,630.70 = 905,843.18/x - Step 3: Cross multiply
1,336,310.39x = 1,845,630.70 × 905,843.18 - Step 4: Simplify right side
1,336,310.39x = 1,671,851,989,077.94 - Step 5: Solve for x
x = 1,671,851,989,077.94/1,336,310.39 - Step 6: Final answer
x = 1,251,095.55
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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.