Finding the Fourth Proportional to 1,252,612.24, 1,729,053.28 and 743,314.64
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Solution
The fourth proportional to 1,252,612.24, 1,729,053.28 and 743,314.64 is: 1,026,040.28
Step by Step Solution
- Step 1: Write the proportion equation
1,252,612.24 : 1,729,053.28 = 743,314.64 : x - Step 2: Convert to fraction form
1,252,612.24/1,729,053.28 = 743,314.64/x - Step 3: Cross multiply
1,252,612.24x = 1,729,053.28 × 743,314.64 - Step 4: Simplify right side
1,252,612.24x = 1,285,230,616,364.02 - Step 5: Solve for x
x = 1,285,230,616,364.02/1,252,612.24 - Step 6: Final answer
x = 1,026,040.28
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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.