Finding the Fourth Proportional to 1,560,787.19, 2,341,181.69 and 438,856.19
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Solution
The fourth proportional to 1,560,787.19, 2,341,181.69 and 438,856.19 is: 658,284.54
Step by Step Solution
- Step 1: Write the proportion equation
1,560,787.19 : 2,341,181.69 = 438,856.19 : x - Step 2: Convert to fraction form
1,560,787.19/2,341,181.69 = 438,856.19/x - Step 3: Cross multiply
1,560,787.19x = 2,341,181.69 × 438,856.19 - Step 4: Simplify right side
1,560,787.19x = 1,027,442,076,571.16 - Step 5: Solve for x
x = 1,027,442,076,571.16/1,560,787.19 - Step 6: Final answer
x = 658,284.54
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1.5x scale
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.