Finding the Fourth Proportional to 1,264,414.32, 1,745,027.01 and 774,708.84
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Solution
The fourth proportional to 1,264,414.32, 1,745,027.01 and 774,708.84 is: 1,069,181.07
Step by Step Solution
- Step 1: Write the proportion equation
1,264,414.32 : 1,745,027.01 = 774,708.84 : x - Step 2: Convert to fraction form
1,264,414.32/1,745,027.01 = 774,708.84/x - Step 3: Cross multiply
1,264,414.32x = 1,745,027.01 × 774,708.84 - Step 4: Simplify right side
1,264,414.32x = 1,351,887,850,685.77 - Step 5: Solve for x
x = 1,351,887,850,685.77/1,264,414.32 - Step 6: Final answer
x = 1,069,181.07
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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.