Finding the Fourth Proportional to 1,302,207.60, 1,952,655.30 and 769,891.80
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Solution
The fourth proportional to 1,302,207.60, 1,952,655.30 and 769,891.80 is: 1,154,449.80
Step by Step Solution
- Step 1: Write the proportion equation
1,302,207.60 : 1,952,655.30 = 769,891.80 : x - Step 2: Convert to fraction form
1,302,207.60/1,952,655.30 = 769,891.80/x - Step 3: Cross multiply
1,302,207.60x = 1,952,655.30 × 769,891.80 - Step 4: Simplify right side
1,302,207.60x = 1,503,333,303,696.54 - Step 5: Solve for x
x = 1,503,333,303,696.54/1,302,207.60 - Step 6: Final answer
x = 1,154,449.80
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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.