Finding the Fourth Proportional to 1,293,486.24, 1,785,066.24 and 720,526.80
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Solution
The fourth proportional to 1,293,486.24, 1,785,066.24 and 720,526.80 is: 994,357.75
Step by Step Solution
- Step 1: Write the proportion equation
1,293,486.24 : 1,785,066.24 = 720,526.80 : x - Step 2: Convert to fraction form
1,293,486.24/1,785,066.24 = 720,526.80/x - Step 3: Cross multiply
1,293,486.24x = 1,785,066.24 × 720,526.80 - Step 4: Simplify right side
1,293,486.24x = 1,286,188,065,695.23 - Step 5: Solve for x
x = 1,286,188,065,695.23/1,293,486.24 - Step 6: Final answer
x = 994,357.75
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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.