Finding the Fourth Proportional to 1,293,922.09, 1,785,619.57 and 750,380.15
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Solution
The fourth proportional to 1,293,922.09, 1,785,619.57 and 750,380.15 is: 1,035,528.71
Step by Step Solution
- Step 1: Write the proportion equation
1,293,922.09 : 1,785,619.57 = 750,380.15 : x - Step 2: Convert to fraction form
1,293,922.09/1,785,619.57 = 750,380.15/x - Step 3: Cross multiply
1,293,922.09x = 1,785,619.57 × 750,380.15 - Step 4: Simplify right side
1,293,922.09x = 1,339,893,471,851.44 - Step 5: Solve for x
x = 1,339,893,471,851.44/1,293,922.09 - Step 6: Final answer
x = 1,035,528.71
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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.