Finding the Fourth Proportional to 1,426,122.26, 1,968,050.42 and 772,747.80
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Solution
The fourth proportional to 1,426,122.26, 1,968,050.42 and 772,747.80 is: 1,066,392.89
Step by Step Solution
- Step 1: Write the proportion equation
1,426,122.26 : 1,968,050.42 = 772,747.80 : x - Step 2: Convert to fraction form
1,426,122.26/1,968,050.42 = 772,747.80/x - Step 3: Cross multiply
1,426,122.26x = 1,968,050.42 × 772,747.80 - Step 4: Simplify right side
1,426,122.26x = 1,520,806,632,344.08 - Step 5: Solve for x
x = 1,520,806,632,344.08/1,426,122.26 - Step 6: Final answer
x = 1,066,392.89
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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.