Finding the Fourth Proportional to 1,378,080.13, 2,067,396.11 and 771,730.73
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Solution
The fourth proportional to 1,378,080.13, 2,067,396.11 and 771,730.73 is: 1,157,750.60
Step by Step Solution
- Step 1: Write the proportion equation
1,378,080.13 : 2,067,396.11 = 771,730.73 : x - Step 2: Convert to fraction form
1,378,080.13/2,067,396.11 = 771,730.73/x - Step 3: Cross multiply
1,378,080.13x = 2,067,396.11 × 771,730.73 - Step 4: Simplify right side
1,378,080.13x = 1,595,473,094,973.83 - Step 5: Solve for x
x = 1,595,473,094,973.83/1,378,080.13 - Step 6: Final answer
x = 1,157,750.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.