Finding the Fourth Proportional to 1,330,427.52, 1,835,995.68 and 726,828.48
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Solution
The fourth proportional to 1,330,427.52, 1,835,995.68 and 726,828.48 is: 1,003,026.42
Step by Step Solution
- Step 1: Write the proportion equation
1,330,427.52 : 1,835,995.68 = 726,828.48 : x - Step 2: Convert to fraction form
1,330,427.52/1,835,995.68 = 726,828.48/x - Step 3: Cross multiply
1,330,427.52x = 1,835,995.68 × 726,828.48 - Step 4: Simplify right side
1,330,427.52x = 1,334,453,949,380.97 - Step 5: Solve for x
x = 1,334,453,949,380.97/1,330,427.52 - Step 6: Final answer
x = 1,003,026.42
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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.