Finding the Fourth Proportional to 1,196,491.53, 1,651,163.37 and 652,638.99
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Solution
The fourth proportional to 1,196,491.53, 1,651,163.37 and 652,638.99 is: 900,644.57
Step by Step Solution
- Step 1: Write the proportion equation
1,196,491.53 : 1,651,163.37 = 652,638.99 : x - Step 2: Convert to fraction form
1,196,491.53/1,651,163.37 = 652,638.99/x - Step 3: Cross multiply
1,196,491.53x = 1,651,163.37 × 652,638.99 - Step 4: Simplify right side
1,196,491.53x = 1,077,613,594,121.80 - Step 5: Solve for x
x = 1,077,613,594,121.80/1,196,491.53 - Step 6: Final answer
x = 900,644.57
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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.