Finding the Fourth Proportional to 1,079,789.76, 1,490,121.09 and 596,367.18
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Solution
The fourth proportional to 1,079,789.76, 1,490,121.09 and 596,367.18 is: 822,992.91
Step by Step Solution
- Step 1: Write the proportion equation
1,079,789.76 : 1,490,121.09 = 596,367.18 : x - Step 2: Convert to fraction form
1,079,789.76/1,490,121.09 = 596,367.18/x - Step 3: Cross multiply
1,079,789.76x = 1,490,121.09 × 596,367.18 - Step 4: Simplify right side
1,079,789.76x = 888,659,312,301.83 - Step 5: Solve for x
x = 888,659,312,301.83/1,079,789.76 - Step 6: Final answer
x = 822,992.91
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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.