Finding the Fourth Proportional to 1,278,530.91, 1,764,369.03 and 705,566.99
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Solution
The fourth proportional to 1,278,530.91, 1,764,369.03 and 705,566.99 is: 973,680.44
Step by Step Solution
- Step 1: Write the proportion equation
1,278,530.91 : 1,764,369.03 = 705,566.99 : x - Step 2: Convert to fraction form
1,278,530.91/1,764,369.03 = 705,566.99/x - Step 3: Cross multiply
1,278,530.91x = 1,764,369.03 × 705,566.99 - Step 4: Simplify right side
1,278,530.91x = 1,244,880,536,924.47 - Step 5: Solve for x
x = 1,244,880,536,924.47/1,278,530.91 - Step 6: Final answer
x = 973,680.44
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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.