Finding the Fourth Proportional to 1,029,459.20, 1,545,571.20 and 657,132.80
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Solution
The fourth proportional to 1,029,459.20, 1,545,571.20 and 657,132.80 is: 986,581.62
Step by Step Solution
- Step 1: Write the proportion equation
1,029,459.20 : 1,545,571.20 = 657,132.80 : x - Step 2: Convert to fraction form
1,029,459.20/1,545,571.20 = 657,132.80/x - Step 3: Cross multiply
1,029,459.20x = 1,545,571.20 × 657,132.80 - Step 4: Simplify right side
1,029,459.20x = 1,015,645,530,255.36 - Step 5: Solve for x
x = 1,015,645,530,255.36/1,029,459.20 - Step 6: Final answer
x = 986,581.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.