Finding the Fourth Proportional to 1,167,689.79, 1,612,324.04 and 913,764.51
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Solution
The fourth proportional to 1,167,689.79, 1,612,324.04 and 913,764.51 is: 1,261,708.80
Step by Step Solution
- Step 1: Write the proportion equation
1,167,689.79 : 1,612,324.04 = 913,764.51 : x - Step 2: Convert to fraction form
1,167,689.79/1,612,324.04 = 913,764.51/x - Step 3: Cross multiply
1,167,689.79x = 1,612,324.04 × 913,764.51 - Step 4: Simplify right side
1,167,689.79x = 1,473,284,481,803.00 - Step 5: Solve for x
x = 1,473,284,481,803.00/1,167,689.79 - Step 6: Final answer
x = 1,261,708.80
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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.