Finding the Fourth Proportional to 1,143,284.09, 1,715,590.44 and 512,197.90
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Solution
The fourth proportional to 1,143,284.09, 1,715,590.44 and 512,197.90 is: 768,594.46
Step by Step Solution
- Step 1: Write the proportion equation
1,143,284.09 : 1,715,590.44 = 512,197.90 : x - Step 2: Convert to fraction form
1,143,284.09/1,715,590.44 = 512,197.90/x - Step 3: Cross multiply
1,143,284.09x = 1,715,590.44 × 512,197.90 - Step 4: Simplify right side
1,143,284.09x = 878,721,820,628.08 - Step 5: Solve for x
x = 878,721,820,628.08/1,143,284.09 - Step 6: Final answer
x = 768,594.46
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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.