Finding the Fourth Proportional to 1,205,207.13, 1,663,183.48 and 653,922.65
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Solution
The fourth proportional to 1,205,207.13, 1,663,183.48 and 653,922.65 is: 902,411.98
Step by Step Solution
- Step 1: Write the proportion equation
1,205,207.13 : 1,663,183.48 = 653,922.65 : x - Step 2: Convert to fraction form
1,205,207.13/1,663,183.48 = 653,922.65/x - Step 3: Cross multiply
1,205,207.13x = 1,663,183.48 × 653,922.65 - Step 4: Simplify right side
1,205,207.13x = 1,087,593,353,663.99 - Step 5: Solve for x
x = 1,087,593,353,663.99/1,205,207.13 - Step 6: Final answer
x = 902,411.98
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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.