Finding the Fourth Proportional to 1,351,588.91, 1,865,116.80 and 739,740.42
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Solution
The fourth proportional to 1,351,588.91, 1,865,116.80 and 739,740.42 is: 1,020,800.24
Step by Step Solution
- Step 1: Write the proportion equation
1,351,588.91 : 1,865,116.80 = 739,740.42 : x - Step 2: Convert to fraction form
1,351,588.91/1,865,116.80 = 739,740.42/x - Step 3: Cross multiply
1,351,588.91x = 1,865,116.80 × 739,740.42 - Step 4: Simplify right side
1,351,588.91x = 1,379,702,284,981.06 - Step 5: Solve for x
x = 1,379,702,284,981.06/1,351,588.91 - Step 6: Final answer
x = 1,020,800.24
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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.