Finding the Fourth Proportional to 1,201,286.97, 1,657,753.83 and 657,411.84
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Solution
The fourth proportional to 1,201,286.97, 1,657,753.83 and 657,411.84 is: 907,216.20
Step by Step Solution
- Step 1: Write the proportion equation
1,201,286.97 : 1,657,753.83 = 657,411.84 : x - Step 2: Convert to fraction form
1,201,286.97/1,657,753.83 = 657,411.84/x - Step 3: Cross multiply
1,201,286.97x = 1,657,753.83 × 657,411.84 - Step 4: Simplify right side
1,201,286.97x = 1,089,826,995,647.35 - Step 5: Solve for x
x = 1,089,826,995,647.35/1,201,286.97 - Step 6: Final answer
x = 907,216.20
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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.