Finding the Fourth Proportional to 1,419,532.32, 1,958,984.24 and 774,979.68
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Solution
The fourth proportional to 1,419,532.32, 1,958,984.24 and 774,979.68 is: 1,069,488.14
Step by Step Solution
- Step 1: Write the proportion equation
1,419,532.32 : 1,958,984.24 = 774,979.68 : x - Step 2: Convert to fraction form
1,419,532.32/1,958,984.24 = 774,979.68/x - Step 3: Cross multiply
1,419,532.32x = 1,958,984.24 × 774,979.68 - Step 4: Simplify right side
1,419,532.32x = 1,518,172,979,440.24 - Step 5: Solve for x
x = 1,518,172,979,440.24/1,419,532.32 - Step 6: Final answer
x = 1,069,488.14
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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.