Finding the Fourth Proportional to 1,208,538.91, 1,811,175.36 and 460,176.67
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Solution
The fourth proportional to 1,208,538.91, 1,811,175.36 and 460,176.67 is: 689,643.20
Step by Step Solution
- Step 1: Write the proportion equation
1,208,538.91 : 1,811,175.36 = 460,176.67 : x - Step 2: Convert to fraction form
1,208,538.91/1,811,175.36 = 460,176.67/x - Step 3: Cross multiply
1,208,538.91x = 1,811,175.36 × 460,176.67 - Step 4: Simplify right side
1,208,538.91x = 833,460,645,950.85 - Step 5: Solve for x
x = 833,460,645,950.85/1,208,538.91 - Step 6: Final answer
x = 689,643.20
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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.