Finding the Fourth Proportional to 1,392,444.50, 2,088,866.07 and 528,197.18
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Solution
The fourth proportional to 1,392,444.50, 2,088,866.07 and 528,197.18 is: 792,371.38
Step by Step Solution
- Step 1: Write the proportion equation
1,392,444.50 : 2,088,866.07 = 528,197.18 : x - Step 2: Convert to fraction form
1,392,444.50/2,088,866.07 = 528,197.18/x - Step 3: Cross multiply
1,392,444.50x = 2,088,866.07 × 528,197.18 - Step 4: Simplify right side
1,392,444.50x = 1,103,333,167,571.68 - Step 5: Solve for x
x = 1,103,333,167,571.68/1,392,444.50 - Step 6: Final answer
x = 792,371.38
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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.