Finding the Fourth Proportional to 1,299,024.36, 1,792,580.85 and 718,213.68
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Solution
The fourth proportional to 1,299,024.36, 1,792,580.85 and 718,213.68 is: 991,094.65
Step by Step Solution
- Step 1: Write the proportion equation
1,299,024.36 : 1,792,580.85 = 718,213.68 : x - Step 2: Convert to fraction form
1,299,024.36/1,792,580.85 = 718,213.68/x - Step 3: Cross multiply
1,299,024.36x = 1,792,580.85 × 718,213.68 - Step 4: Simplify right side
1,299,024.36x = 1,287,456,088,976.03 - Step 5: Solve for x
x = 1,287,456,088,976.03/1,299,024.36 - Step 6: Final answer
x = 991,094.65
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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.