Finding the Fourth Proportional to 1,392,254.96, 2,088,643.80 and 445,371.44
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Solution
The fourth proportional to 1,392,254.96, 2,088,643.80 and 445,371.44 is: 668,140.77
Step by Step Solution
- Step 1: Write the proportion equation
1,392,254.96 : 2,088,643.80 = 445,371.44 : x - Step 2: Convert to fraction form
1,392,254.96/2,088,643.80 = 445,371.44/x - Step 3: Cross multiply
1,392,254.96x = 2,088,643.80 × 445,371.44 - Step 4: Simplify right side
1,392,254.96x = 930,222,296,853.07 - Step 5: Solve for x
x = 930,222,296,853.07/1,392,254.96 - Step 6: Final answer
x = 668,140.77
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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.