Finding the Fourth Proportional to 1,210,656.58, 1,815,354.28 and 451,873.99
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Solution
The fourth proportional to 1,210,656.58, 1,815,354.28 and 451,873.99 is: 677,575.62
Step by Step Solution
- Step 1: Write the proportion equation
1,210,656.58 : 1,815,354.28 = 451,873.99 : x - Step 2: Convert to fraction form
1,210,656.58/1,815,354.28 = 451,873.99/x - Step 3: Cross multiply
1,210,656.58x = 1,815,354.28 × 451,873.99 - Step 4: Simplify right side
1,210,656.58x = 820,311,384,601.21 - Step 5: Solve for x
x = 820,311,384,601.21/1,210,656.58 - Step 6: Final answer
x = 677,575.62
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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.