Finding the Fourth Proportional to 1,707,611.60, 2,560,639.80 and 760,494.80
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Solution
The fourth proportional to 1,707,611.60, 2,560,639.80 and 760,494.80 is: 1,140,395.89
Step by Step Solution
- Step 1: Write the proportion equation
1,707,611.60 : 2,560,639.80 = 760,494.80 : x - Step 2: Convert to fraction form
1,707,611.60/2,560,639.80 = 760,494.80/x - Step 3: Cross multiply
1,707,611.60x = 2,560,639.80 × 760,494.80 - Step 4: Simplify right side
1,707,611.60x = 1,947,353,252,573.04 - Step 5: Solve for x
x = 1,947,353,252,573.04/1,707,611.60 - Step 6: Final answer
x = 1,140,395.89
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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.