Finding the Fourth Proportional to 1,219,369.70, 1,682,426.19 and 703,281.44
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Solution
The fourth proportional to 1,219,369.70, 1,682,426.19 and 703,281.44 is: 970,353.05
Step by Step Solution
- Step 1: Write the proportion equation
1,219,369.70 : 1,682,426.19 = 703,281.44 : x - Step 2: Convert to fraction form
1,219,369.70/1,682,426.19 = 703,281.44/x - Step 3: Cross multiply
1,219,369.70x = 1,682,426.19 × 703,281.44 - Step 4: Simplify right side
1,219,369.70x = 1,183,219,101,668.38 - Step 5: Solve for x
x = 1,183,219,101,668.38/1,219,369.70 - Step 6: Final answer
x = 970,353.05
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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.