Finding the Fourth Proportional to 1,207,225.81, 1,665,874.11 and 697,960.99
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Solution
The fourth proportional to 1,207,225.81, 1,665,874.11 and 697,960.99 is: 963,129.79
Step by Step Solution
- Step 1: Write the proportion equation
1,207,225.81 : 1,665,874.11 = 697,960.99 : x - Step 2: Convert to fraction form
1,207,225.81/1,665,874.11 = 697,960.99/x - Step 3: Cross multiply
1,207,225.81x = 1,665,874.11 × 697,960.99 - Step 4: Simplify right side
1,207,225.81x = 1,162,715,143,030.97 - Step 5: Solve for x
x = 1,162,715,143,030.97/1,207,225.81 - Step 6: Final answer
x = 963,129.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.