Finding the Fourth Proportional to 1,274,075.30, 1,911,122.68 and 465,039.60
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Solution
The fourth proportional to 1,274,075.30, 1,911,122.68 and 465,039.60 is: 697,562.95
Step by Step Solution
- Step 1: Write the proportion equation
1,274,075.30 : 1,911,122.68 = 465,039.60 : x - Step 2: Convert to fraction form
1,274,075.30/1,911,122.68 = 465,039.60/x - Step 3: Cross multiply
1,274,075.30x = 1,911,122.68 × 465,039.60 - Step 4: Simplify right side
1,274,075.30x = 888,747,726,658.13 - Step 5: Solve for x
x = 888,747,726,658.13/1,274,075.30 - Step 6: Final answer
x = 697,562.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.