Finding the Fourth Proportional to 1,259,581.28, 1,889,177.11 and 460,675.98
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Solution
The fourth proportional to 1,259,581.28, 1,889,177.11 and 460,675.98 is: 690,942.73
Step by Step Solution
- Step 1: Write the proportion equation
1,259,581.28 : 1,889,177.11 = 460,675.98 : x - Step 2: Convert to fraction form
1,259,581.28/1,889,177.11 = 460,675.98/x - Step 3: Cross multiply
1,259,581.28x = 1,889,177.11 × 460,675.98 - Step 4: Simplify right side
1,259,581.28x = 870,298,521,265.76 - Step 5: Solve for x
x = 870,298,521,265.76/1,259,581.28 - Step 6: Final answer
x = 690,942.73
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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.