Finding the Fourth Proportional to 1,424,371.30, 1,965,318.12 and 843,305.92
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Solution
The fourth proportional to 1,424,371.30, 1,965,318.12 and 843,305.92 is: 1,163,576.10
Step by Step Solution
- Step 1: Write the proportion equation
1,424,371.30 : 1,965,318.12 = 843,305.92 : x - Step 2: Convert to fraction form
1,424,371.30/1,965,318.12 = 843,305.92/x - Step 3: Cross multiply
1,424,371.30x = 1,965,318.12 × 843,305.92 - Step 4: Simplify right side
1,424,371.30x = 1,657,364,405,279.27 - Step 5: Solve for x
x = 1,657,364,405,279.27/1,424,371.30 - Step 6: Final answer
x = 1,163,576.10
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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.