Finding the Fourth Proportional to 1,059,321.06, 1,586,854.08 and 489,904.02
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Solution
The fourth proportional to 1,059,321.06, 1,586,854.08 and 489,904.02 is: 733,872.12
Step by Step Solution
- Step 1: Write the proportion equation
1,059,321.06 : 1,586,854.08 = 489,904.02 : x - Step 2: Convert to fraction form
1,059,321.06/1,586,854.08 = 489,904.02/x - Step 3: Cross multiply
1,059,321.06x = 1,586,854.08 × 489,904.02 - Step 4: Simplify right side
1,059,321.06x = 777,406,192,945.40 - Step 5: Solve for x
x = 777,406,192,945.40/1,059,321.06 - Step 6: Final answer
x = 733,872.12
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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.