Finding the Fourth Proportional to 1,343,605.22, 1,853,853.18 and 762,699.14
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Solution
The fourth proportional to 1,343,605.22, 1,853,853.18 and 762,699.14 is: 1,052,342.02
Step by Step Solution
- Step 1: Write the proportion equation
1,343,605.22 : 1,853,853.18 = 762,699.14 : x - Step 2: Convert to fraction form
1,343,605.22/1,853,853.18 = 762,699.14/x - Step 3: Cross multiply
1,343,605.22x = 1,853,853.18 × 762,699.14 - Step 4: Simplify right side
1,343,605.22x = 1,413,932,226,072.27 - Step 5: Solve for x
x = 1,413,932,226,072.27/1,343,605.22 - Step 6: Final answer
x = 1,052,342.02
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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.