Finding the Fourth Proportional to 1,048,629.21, 1,569,560.70 and 542,493.19
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Solution
The fourth proportional to 1,048,629.21, 1,569,560.70 and 542,493.19 is: 811,989.58
Step by Step Solution
- Step 1: Write the proportion equation
1,048,629.21 : 1,569,560.70 = 542,493.19 : x - Step 2: Convert to fraction form
1,048,629.21/1,569,560.70 = 542,493.19/x - Step 3: Cross multiply
1,048,629.21x = 1,569,560.70 × 542,493.19 - Step 4: Simplify right side
1,048,629.21x = 851,475,991,041.63 - Step 5: Solve for x
x = 851,475,991,041.63/1,048,629.21 - Step 6: Final answer
x = 811,989.58
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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.