Finding the Fourth Proportional to 1,433,251.26, 1,977,882.84 and 788,713.20
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Solution
The fourth proportional to 1,433,251.26, 1,977,882.84 and 788,713.20 is: 1,088,422.07
Step by Step Solution
- Step 1: Write the proportion equation
1,433,251.26 : 1,977,882.84 = 788,713.20 : x - Step 2: Convert to fraction form
1,433,251.26/1,977,882.84 = 788,713.20/x - Step 3: Cross multiply
1,433,251.26x = 1,977,882.84 × 788,713.20 - Step 4: Simplify right side
1,433,251.26x = 1,559,982,303,961.49 - Step 5: Solve for x
x = 1,559,982,303,961.49/1,433,251.26 - Step 6: Final answer
x = 1,088,422.07
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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.