Finding the Fourth Proportional to 1,026,419.80, 1,536,713.70 and 970,562.20
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Solution
The fourth proportional to 1,026,419.80, 1,536,713.70 and 970,562.20 is: 1,453,085.99
Step by Step Solution
- Step 1: Write the proportion equation
1,026,419.80 : 1,536,713.70 = 970,562.20 : x - Step 2: Convert to fraction form
1,026,419.80/1,536,713.70 = 970,562.20/x - Step 3: Cross multiply
1,026,419.80x = 1,536,713.70 × 970,562.20 - Step 4: Simplify right side
1,026,419.80x = 1,491,476,229,442.14 - Step 5: Solve for x
x = 1,491,476,229,442.14/1,026,419.80 - Step 6: Final answer
x = 1,453,085.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.