Finding the Fourth Proportional to 1,213,266.96, 1,807,446.39 and 1,158,679.44
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Solution
The fourth proportional to 1,213,266.96, 1,807,446.39 and 1,158,679.44 is: 1,726,125.44
Step by Step Solution
- Step 1: Write the proportion equation
1,213,266.96 : 1,807,446.39 = 1,158,679.44 : x - Step 2: Convert to fraction form
1,213,266.96/1,807,446.39 = 1,158,679.44/x - Step 3: Cross multiply
1,213,266.96x = 1,807,446.39 × 1,158,679.44 - Step 4: Simplify right side
1,213,266.96x = 2,094,250,970,995.22 - Step 5: Solve for x
x = 2,094,250,970,995.22/1,213,266.96 - Step 6: Final answer
x = 1,726,125.44
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.