Finding the Fourth Proportional to 1,276,007.16, 1,914,290.99 and 377,378.84
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Solution
The fourth proportional to 1,276,007.16, 1,914,290.99 and 377,378.84 is: 566,151.14
Step by Step Solution
- Step 1: Write the proportion equation
1,276,007.16 : 1,914,290.99 = 377,378.84 : x - Step 2: Convert to fraction form
1,276,007.16/1,914,290.99 = 377,378.84/x - Step 3: Cross multiply
1,276,007.16x = 1,914,290.99 × 377,378.84 - Step 4: Simplify right side
1,276,007.16x = 722,412,913,228.65 - Step 5: Solve for x
x = 722,412,913,228.65/1,276,007.16 - Step 6: Final answer
x = 566,151.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.