Finding the Fourth Proportional to 1,192,269.09, 1,644,753.18 and 708,491.94
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Solution
The fourth proportional to 1,192,269.09, 1,644,753.18 and 708,491.94 is: 977,375.31
Step by Step Solution
- Step 1: Write the proportion equation
1,192,269.09 : 1,644,753.18 = 708,491.94 : x - Step 2: Convert to fraction form
1,192,269.09/1,644,753.18 = 708,491.94/x - Step 3: Cross multiply
1,192,269.09x = 1,644,753.18 × 708,491.94 - Step 4: Simplify right side
1,192,269.09x = 1,165,294,371,319.37 - Step 5: Solve for x
x = 1,165,294,371,319.37/1,192,269.09 - Step 6: Final answer
x = 977,375.31
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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.