Finding the Fourth Proportional to 1,259,593.80, 1,738,228.18 and 686,633.80
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Solution
The fourth proportional to 1,259,593.80, 1,738,228.18 and 686,633.80 is: 947,548.50
Step by Step Solution
- Step 1: Write the proportion equation
1,259,593.80 : 1,738,228.18 = 686,633.80 : x - Step 2: Convert to fraction form
1,259,593.80/1,738,228.18 = 686,633.80/x - Step 3: Cross multiply
1,259,593.80x = 1,738,228.18 × 686,633.80 - Step 4: Simplify right side
1,259,593.80x = 1,193,526,220,500.48 - Step 5: Solve for x
x = 1,193,526,220,500.48/1,259,593.80 - Step 6: Final answer
x = 947,548.50
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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.