Finding the Fourth Proportional to 1,037,677.74, 1,431,991.57 and 578,791.95
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Solution
The fourth proportional to 1,037,677.74, 1,431,991.57 and 578,791.95 is: 798,730.82
Step by Step Solution
- Step 1: Write the proportion equation
1,037,677.74 : 1,431,991.57 = 578,791.95 : x - Step 2: Convert to fraction form
1,037,677.74/1,431,991.57 = 578,791.95/x - Step 3: Cross multiply
1,037,677.74x = 1,431,991.57 × 578,791.95 - Step 4: Simplify right side
1,037,677.74x = 828,825,193,183.86 - Step 5: Solve for x
x = 828,825,193,183.86/1,037,677.74 - Step 6: Final answer
x = 798,730.82
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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.