Finding the Fourth Proportional to 1,317,769.92, 1,976,687.28 and 371,134.26
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Solution
The fourth proportional to 1,317,769.92, 1,976,687.28 and 371,134.26 is: 556,710.52
Step by Step Solution
- Step 1: Write the proportion equation
1,317,769.92 : 1,976,687.28 = 371,134.26 : x - Step 2: Convert to fraction form
1,317,769.92/1,976,687.28 = 371,134.26/x - Step 3: Cross multiply
1,317,769.92x = 1,976,687.28 × 371,134.26 - Step 4: Simplify right side
1,317,769.92x = 733,616,370,914.21 - Step 5: Solve for x
x = 733,616,370,914.21/1,317,769.92 - Step 6: Final answer
x = 556,710.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.