Finding the Fourth Proportional to 1,275,864.84, 1,760,738.70 and 702,948.60
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Solution
The fourth proportional to 1,275,864.84, 1,760,738.70 and 702,948.60 is: 970,093.98
Step by Step Solution
- Step 1: Write the proportion equation
1,275,864.84 : 1,760,738.70 = 702,948.60 : x - Step 2: Convert to fraction form
1,275,864.84/1,760,738.70 = 702,948.60/x - Step 3: Cross multiply
1,275,864.84x = 1,760,738.70 × 702,948.60 - Step 4: Simplify right side
1,275,864.84x = 1,237,708,804,130.82 - Step 5: Solve for x
x = 1,237,708,804,130.82/1,275,864.84 - Step 6: Final answer
x = 970,093.98
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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.