Finding the Fourth Proportional to 1,392,259.44, 2,088,390.94 and 381,390.26
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Solution
The fourth proportional to 1,392,259.44, 2,088,390.94 and 381,390.26 is: 572,085.88
Step by Step Solution
- Step 1: Write the proportion equation
1,392,259.44 : 2,088,390.94 = 381,390.26 : x - Step 2: Convert to fraction form
1,392,259.44/2,088,390.94 = 381,390.26/x - Step 3: Cross multiply
1,392,259.44x = 2,088,390.94 × 381,390.26 - Step 4: Simplify right side
1,392,259.44x = 796,491,963,588.24 - Step 5: Solve for x
x = 796,491,963,588.24/1,392,259.44 - Step 6: Final answer
x = 572,085.88
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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.