Finding the Fourth Proportional to 1,036,117.75, 1,554,264.11 and 288,163.75
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Solution
The fourth proportional to 1,036,117.75, 1,554,264.11 and 288,163.75 is: 432,269.96
Step by Step Solution
- Step 1: Write the proportion equation
1,036,117.75 : 1,554,264.11 = 288,163.75 : x - Step 2: Convert to fraction form
1,036,117.75/1,554,264.11 = 288,163.75/x - Step 3: Cross multiply
1,036,117.75x = 1,554,264.11 × 288,163.75 - Step 4: Simplify right side
1,036,117.75x = 447,882,574,428.01 - Step 5: Solve for x
x = 447,882,574,428.01/1,036,117.75 - Step 6: Final answer
x = 432,269.96
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1.5x scale
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.