Finding the Fourth Proportional to 1,275,389.97, 1,760,117.70 and 702,429.99
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Solution
The fourth proportional to 1,275,389.97, 1,760,117.70 and 702,429.99 is: 969,397.19
Step by Step Solution
- Step 1: Write the proportion equation
1,275,389.97 : 1,760,117.70 = 702,429.99 : x - Step 2: Convert to fraction form
1,275,389.97/1,760,117.70 = 702,429.99/x - Step 3: Cross multiply
1,275,389.97x = 1,760,117.70 × 702,429.99 - Step 4: Simplify right side
1,275,389.97x = 1,236,359,458,409.82 - Step 5: Solve for x
x = 1,236,359,458,409.82/1,275,389.97 - Step 6: Final answer
x = 969,397.19
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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.