Finding the Fourth Proportional to 1,245,650.80, 1,718,998.08 and 672,690.95
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Solution
The fourth proportional to 1,245,650.80, 1,718,998.08 and 672,690.95 is: 928,313.50
Step by Step Solution
- Step 1: Write the proportion equation
1,245,650.80 : 1,718,998.08 = 672,690.95 : x - Step 2: Convert to fraction form
1,245,650.80/1,718,998.08 = 672,690.95/x - Step 3: Cross multiply
1,245,650.80x = 1,718,998.08 × 672,690.95 - Step 4: Simplify right side
1,245,650.80x = 1,156,354,451,483.38 - Step 5: Solve for x
x = 1,156,354,451,483.38/1,245,650.80 - Step 6: Final answer
x = 928,313.50
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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.