Finding the Fourth Proportional to 1,293,922.19, 1,785,619.70 and 750,380.24
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Solution
The fourth proportional to 1,293,922.19, 1,785,619.70 and 750,380.24 is: 1,035,528.84
Step by Step Solution
- Step 1: Write the proportion equation
1,293,922.19 : 1,785,619.70 = 750,380.24 : x - Step 2: Convert to fraction form
1,293,922.19/1,785,619.70 = 750,380.24/x - Step 3: Cross multiply
1,293,922.19x = 1,785,619.70 × 750,380.24 - Step 4: Simplify right side
1,293,922.19x = 1,339,893,739,034.73 - Step 5: Solve for x
x = 1,339,893,739,034.73/1,293,922.19 - Step 6: Final answer
x = 1,035,528.84
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1.5x scale
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.