Finding the Fourth Proportional to 1,302,758.92, 1,797,879.09 and 721,969.84
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Solution
The fourth proportional to 1,302,758.92, 1,797,879.09 and 721,969.84 is: 996,358.16
Step by Step Solution
- Step 1: Write the proportion equation
1,302,758.92 : 1,797,879.09 = 721,969.84 : x - Step 2: Convert to fraction form
1,302,758.92/1,797,879.09 = 721,969.84/x - Step 3: Cross multiply
1,302,758.92x = 1,797,879.09 × 721,969.84 - Step 4: Simplify right side
1,302,758.92x = 1,298,014,478,946.65 - Step 5: Solve for x
x = 1,298,014,478,946.65/1,302,758.92 - Step 6: Final answer
x = 996,358.16
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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.