Finding the Fourth Proportional to 1,230,562.96, 1,698,173.70 and 686,692.98
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Solution
The fourth proportional to 1,230,562.96, 1,698,173.70 and 686,692.98 is: 947,634.54
Step by Step Solution
- Step 1: Write the proportion equation
1,230,562.96 : 1,698,173.70 = 686,692.98 : x - Step 2: Convert to fraction form
1,230,562.96/1,698,173.70 = 686,692.98/x - Step 3: Cross multiply
1,230,562.96x = 1,698,173.70 × 686,692.98 - Step 4: Simplify right side
1,230,562.96x = 1,166,123,958,610.63 - Step 5: Solve for x
x = 1,166,123,958,610.63/1,230,562.96 - Step 6: Final answer
x = 947,634.54
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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.