Finding the Fourth Proportional to 1,206,827.76, 1,665,237.36 and 697,431.84
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Solution
The fourth proportional to 1,206,827.76, 1,665,237.36 and 697,431.84 is: 962,349.06
Step by Step Solution
- Step 1: Write the proportion equation
1,206,827.76 : 1,665,237.36 = 697,431.84 : x - Step 2: Convert to fraction form
1,206,827.76/1,665,237.36 = 697,431.84/x - Step 3: Cross multiply
1,206,827.76x = 1,665,237.36 × 697,431.84 - Step 4: Simplify right side
1,206,827.76x = 1,161,389,556,021.54 - Step 5: Solve for x
x = 1,161,389,556,021.54/1,206,827.76 - Step 6: Final answer
x = 962,349.06
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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.