Finding the Fourth Proportional to 1,278,683.44, 1,764,574.46 and 705,723.62
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Solution
The fourth proportional to 1,278,683.44, 1,764,574.46 and 705,723.62 is: 973,893.80
Step by Step Solution
- Step 1: Write the proportion equation
1,278,683.44 : 1,764,574.46 = 705,723.62 : x - Step 2: Convert to fraction form
1,278,683.44/1,764,574.46 = 705,723.62/x - Step 3: Cross multiply
1,278,683.44x = 1,764,574.46 × 705,723.62 - Step 4: Simplify right side
1,278,683.44x = 1,245,301,875,670.75 - Step 5: Solve for x
x = 1,245,301,875,670.75/1,278,683.44 - Step 6: Final answer
x = 973,893.80
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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.