Finding the Fourth Proportional to 1,185,026.09, 1,635,324.38 and 641,149.94
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Solution
The fourth proportional to 1,185,026.09, 1,635,324.38 and 641,149.94 is: 884,780.63
Step by Step Solution
- Step 1: Write the proportion equation
1,185,026.09 : 1,635,324.38 = 641,149.94 : x - Step 2: Convert to fraction form
1,185,026.09/1,635,324.38 = 641,149.94/x - Step 3: Cross multiply
1,185,026.09x = 1,635,324.38 × 641,149.94 - Step 4: Simplify right side
1,185,026.09x = 1,048,488,128,117.54 - Step 5: Solve for x
x = 1,048,488,128,117.54/1,185,026.09 - Step 6: Final answer
x = 884,780.63
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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.