Finding the Fourth Proportional to 1,418,879.11, 1,958,094.76 and 774,340.74
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Solution
The fourth proportional to 1,418,879.11, 1,958,094.76 and 774,340.74 is: 1,068,612.92
Step by Step Solution
- Step 1: Write the proportion equation
1,418,879.11 : 1,958,094.76 = 774,340.74 : x - Step 2: Convert to fraction form
1,418,879.11/1,958,094.76 = 774,340.74/x - Step 3: Cross multiply
1,418,879.11x = 1,958,094.76 × 774,340.74 - Step 4: Simplify right side
1,418,879.11x = 1,516,232,541,576.82 - Step 5: Solve for x
x = 1,516,232,541,576.82/1,418,879.11 - Step 6: Final answer
x = 1,068,612.92
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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.