Finding the Fourth Proportional to 1,125,827.60, 1,689,970.20 and 628,163.60
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Solution
The fourth proportional to 1,125,827.60, 1,689,970.20 and 628,163.60 is: 942,931.02
Step by Step Solution
- Step 1: Write the proportion equation
1,125,827.60 : 1,689,970.20 = 628,163.60 : x - Step 2: Convert to fraction form
1,125,827.60/1,689,970.20 = 628,163.60/x - Step 3: Cross multiply
1,125,827.60x = 1,689,970.20 × 628,163.60 - Step 4: Simplify right side
1,125,827.60x = 1,061,577,764,724.72 - Step 5: Solve for x
x = 1,061,577,764,724.72/1,125,827.60 - Step 6: Final answer
x = 942,931.02
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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.