Finding the Fourth Proportional to 1,259,532.16, 1,738,088.68 and 715,592.48
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Solution
The fourth proportional to 1,259,532.16, 1,738,088.68 and 715,592.48 is: 987,480.30
Step by Step Solution
- Step 1: Write the proportion equation
1,259,532.16 : 1,738,088.68 = 715,592.48 : x - Step 2: Convert to fraction form
1,259,532.16/1,738,088.68 = 715,592.48/x - Step 3: Cross multiply
1,259,532.16x = 1,738,088.68 × 715,592.48 - Step 4: Simplify right side
1,259,532.16x = 1,243,763,188,981.13 - Step 5: Solve for x
x = 1,243,763,188,981.13/1,259,532.16 - Step 6: Final answer
x = 987,480.30
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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.