Finding the Fourth Proportional to 1,293,594.24, 1,785,161.04 and 720,635.84
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Solution
The fourth proportional to 1,293,594.24, 1,785,161.04 and 720,635.84 is: 994,478.01
Step by Step Solution
- Step 1: Write the proportion equation
1,293,594.24 : 1,785,161.04 = 720,635.84 : x - Step 2: Convert to fraction form
1,293,594.24/1,785,161.04 = 720,635.84/x - Step 3: Cross multiply
1,293,594.24x = 1,785,161.04 × 720,635.84 - Step 4: Simplify right side
1,293,594.24x = 1,286,451,025,595.67 - Step 5: Solve for x
x = 1,286,451,025,595.67/1,293,594.24 - Step 6: Final answer
x = 994,478.01
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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.