Finding the Fourth Proportional to 1,235,209.13, 1,703,234.99 and 804,690.89
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Solution
The fourth proportional to 1,235,209.13, 1,703,234.99 and 804,690.89 is: 1,109,591.60
Step by Step Solution
- Step 1: Write the proportion equation
1,235,209.13 : 1,703,234.99 = 804,690.89 : x - Step 2: Convert to fraction form
1,235,209.13/1,703,234.99 = 804,690.89/x - Step 3: Cross multiply
1,235,209.13x = 1,703,234.99 × 804,690.89 - Step 4: Simplify right side
1,235,209.13x = 1,370,577,679,982.24 - Step 5: Solve for x
x = 1,370,577,679,982.24/1,235,209.13 - Step 6: Final answer
x = 1,109,591.60
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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.