Finding the Fourth Proportional to 1,161,279.68, 1,742,029.92 and 451,362.56
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Solution
The fourth proportional to 1,161,279.68, 1,742,029.92 and 451,362.56 is: 677,086.75
Step by Step Solution
- Step 1: Write the proportion equation
1,161,279.68 : 1,742,029.92 = 451,362.56 : x - Step 2: Convert to fraction form
1,161,279.68/1,742,029.92 = 451,362.56/x - Step 3: Cross multiply
1,161,279.68x = 1,742,029.92 × 451,362.56 - Step 4: Simplify right side
1,161,279.68x = 786,287,084,287.80 - Step 5: Solve for x
x = 786,287,084,287.80/1,161,279.68 - Step 6: Final answer
x = 677,086.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.