Finding the Fourth Proportional to 1,273,283.68, 1,909,520.11 and 420,196.54
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Solution
The fourth proportional to 1,273,283.68, 1,909,520.11 and 420,196.54 is: 630,161.02
Step by Step Solution
- Step 1: Write the proportion equation
1,273,283.68 : 1,909,520.11 = 420,196.54 : x - Step 2: Convert to fraction form
1,273,283.68/1,909,520.11 = 420,196.54/x - Step 3: Cross multiply
1,273,283.68x = 1,909,520.11 × 420,196.54 - Step 4: Simplify right side
1,273,283.68x = 802,373,739,033.87 - Step 5: Solve for x
x = 802,373,739,033.87/1,273,283.68 - Step 6: Final answer
x = 630,161.02
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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.