Finding the Fourth Proportional to 1,083,705.99, 1,625,234.89 and 679,512.12
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Solution
The fourth proportional to 1,083,705.99, 1,625,234.89 and 679,512.12 is: 1,019,064.96
Step by Step Solution
- Step 1: Write the proportion equation
1,083,705.99 : 1,625,234.89 = 679,512.12 : x - Step 2: Convert to fraction form
1,083,705.99/1,625,234.89 = 679,512.12/x - Step 3: Cross multiply
1,083,705.99x = 1,625,234.89 × 679,512.12 - Step 4: Simplify right side
1,083,705.99x = 1,104,366,803,903.09 - Step 5: Solve for x
x = 1,104,366,803,903.09/1,083,705.99 - Step 6: Final answer
x = 1,019,064.96
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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.