Finding the Fourth Proportional to 1,274,647.05, 1,759,063.10 and 701,740.53
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Solution
The fourth proportional to 1,274,647.05, 1,759,063.10 and 701,740.53 is: 968,429.55
Step by Step Solution
- Step 1: Write the proportion equation
1,274,647.05 : 1,759,063.10 = 701,740.53 : x - Step 2: Convert to fraction form
1,274,647.05/1,759,063.10 = 701,740.53/x - Step 3: Cross multiply
1,274,647.05x = 1,759,063.10 × 701,740.53 - Step 4: Simplify right side
1,274,647.05x = 1,234,405,868,588.74 - Step 5: Solve for x
x = 1,234,405,868,588.74/1,274,647.05 - Step 6: Final answer
x = 968,429.55
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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.