Finding the Fourth Proportional to 1,124,470.80, 1,551,783.96 and 615,181.68
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Solution
The fourth proportional to 1,124,470.80, 1,551,783.96 and 615,181.68 is: 848,958.52
Step by Step Solution
- Step 1: Write the proportion equation
1,124,470.80 : 1,551,783.96 = 615,181.68 : x - Step 2: Convert to fraction form
1,124,470.80/1,551,783.96 = 615,181.68/x - Step 3: Cross multiply
1,124,470.80x = 1,551,783.96 × 615,181.68 - Step 4: Simplify right side
1,124,470.80x = 954,629,063,509.85 - Step 5: Solve for x
x = 954,629,063,509.85/1,124,470.80 - Step 6: Final answer
x = 848,958.52
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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.