Finding the Fourth Proportional to 1,230,234.08, 1,697,764.96 and 713,948.24
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Solution
The fourth proportional to 1,230,234.08, 1,697,764.96 and 713,948.24 is: 985,272.90
Step by Step Solution
- Step 1: Write the proportion equation
1,230,234.08 : 1,697,764.96 = 713,948.24 : x - Step 2: Convert to fraction form
1,230,234.08/1,697,764.96 = 713,948.24/x - Step 3: Cross multiply
1,230,234.08x = 1,697,764.96 × 713,948.24 - Step 4: Simplify right side
1,230,234.08x = 1,212,116,305,125.67 - Step 5: Solve for x
x = 1,212,116,305,125.67/1,230,234.08 - Step 6: Final answer
x = 985,272.90
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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.