Finding the Fourth Proportional to 1,117,221.62, 1,541,497.09 and 658,354.98
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Solution
The fourth proportional to 1,117,221.62, 1,541,497.09 and 658,354.98 is: 908,371.51
Step by Step Solution
- Step 1: Write the proportion equation
1,117,221.62 : 1,541,497.09 = 658,354.98 : x - Step 2: Convert to fraction form
1,117,221.62/1,541,497.09 = 658,354.98/x - Step 3: Cross multiply
1,117,221.62x = 1,541,497.09 × 658,354.98 - Step 4: Simplify right side
1,117,221.62x = 1,014,852,285,857.01 - Step 5: Solve for x
x = 1,014,852,285,857.01/1,117,221.62 - Step 6: Final answer
x = 908,371.51
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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.