Finding the Fourth Proportional to 1,136,458.04, 1,568,348.78 and 646,414.95
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Solution
The fourth proportional to 1,136,458.04, 1,568,348.78 and 646,414.95 is: 892,073.50
Step by Step Solution
- Step 1: Write the proportion equation
1,136,458.04 : 1,568,348.78 = 646,414.95 : x - Step 2: Convert to fraction form
1,136,458.04/1,568,348.78 = 646,414.95/x - Step 3: Cross multiply
1,136,458.04x = 1,568,348.78 × 646,414.95 - Step 4: Simplify right side
1,136,458.04x = 1,013,804,098,206.26 - Step 5: Solve for x
x = 1,013,804,098,206.26/1,136,458.04 - Step 6: Final answer
x = 892,073.50
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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.