Finding the Fourth Proportional to 1,018,660.75, 1,405,795.58 and 565,951.75
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Solution
The fourth proportional to 1,018,660.75, 1,405,795.58 and 565,951.75 is: 781,037.72
Step by Step Solution
- Step 1: Write the proportion equation
1,018,660.75 : 1,405,795.58 = 565,951.75 : x - Step 2: Convert to fraction form
1,018,660.75/1,405,795.58 = 565,951.75/x - Step 3: Cross multiply
1,018,660.75x = 1,405,795.58 × 565,951.75 - Step 4: Simplify right side
1,018,660.75x = 795,612,465,813.51 - Step 5: Solve for x
x = 795,612,465,813.51/1,018,660.75 - Step 6: Final answer
x = 781,037.72
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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.