Finding the Fourth Proportional to 1,775,420.40, 2,661,575.40 and 1,065,730.80
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Solution
The fourth proportional to 1,775,420.40, 2,661,575.40 and 1,065,730.80 is: 1,597,662.66
Step by Step Solution
- Step 1: Write the proportion equation
1,775,420.40 : 2,661,575.40 = 1,065,730.80 : x - Step 2: Convert to fraction form
1,775,420.40/2,661,575.40 = 1,065,730.80/x - Step 3: Cross multiply
1,775,420.40x = 2,661,575.40 × 1,065,730.80 - Step 4: Simplify right side
1,775,420.40x = 2,836,522,880,302.32 - Step 5: Solve for x
x = 2,836,522,880,302.32/1,775,420.40 - Step 6: Final answer
x = 1,597,662.66
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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.