Finding the Fourth Proportional to 1,095,121.18, 1,639,240.35 and 696,212.38
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Solution
The fourth proportional to 1,095,121.18, 1,639,240.35 and 696,212.38 is: 1,042,130.72
Step by Step Solution
- Step 1: Write the proportion equation
1,095,121.18 : 1,639,240.35 = 696,212.38 : x - Step 2: Convert to fraction form
1,095,121.18/1,639,240.35 = 696,212.38/x - Step 3: Cross multiply
1,095,121.18x = 1,639,240.35 × 696,212.38 - Step 4: Simplify right side
1,095,121.18x = 1,141,259,425,465.53 - Step 5: Solve for x
x = 1,141,259,425,465.53/1,095,121.18 - Step 6: Final answer
x = 1,042,130.72
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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.