Finding the Fourth Proportional to 1,068,474.40, 1,603,618.80 and 437,840.80
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Solution
The fourth proportional to 1,068,474.40, 1,603,618.80 and 437,840.80 is: 657,132.95
Step by Step Solution
- Step 1: Write the proportion equation
1,068,474.40 : 1,603,618.80 = 437,840.80 : x - Step 2: Convert to fraction form
1,068,474.40/1,603,618.80 = 437,840.80/x - Step 3: Cross multiply
1,068,474.40x = 1,603,618.80 × 437,840.80 - Step 4: Simplify right side
1,068,474.40x = 702,129,738,287.04 - Step 5: Solve for x
x = 702,129,738,287.04/1,068,474.40 - Step 6: Final answer
x = 657,132.95
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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.