Finding the Fourth Proportional to 1,124,418.44, 1,551,709.70 and 615,109.88
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Solution
The fourth proportional to 1,124,418.44, 1,551,709.70 and 615,109.88 is: 848,858.33
Step by Step Solution
- Step 1: Write the proportion equation
1,124,418.44 : 1,551,709.70 = 615,109.88 : x - Step 2: Convert to fraction form
1,124,418.44/1,551,709.70 = 615,109.88/x - Step 3: Cross multiply
1,124,418.44x = 1,551,709.70 × 615,109.88 - Step 4: Simplify right side
1,124,418.44x = 954,471,956,527.74 - Step 5: Solve for x
x = 954,471,956,527.74/1,124,418.44 - Step 6: Final answer
x = 848,858.33
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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.