Finding the Fourth Proportional to 1,026,421.80, 1,536,716.70 and 970,564.20
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Solution
The fourth proportional to 1,026,421.80, 1,536,716.70 and 970,564.20 is: 1,453,088.99
Step by Step Solution
- Step 1: Write the proportion equation
1,026,421.80 : 1,536,716.70 = 970,564.20 : x - Step 2: Convert to fraction form
1,026,421.80/1,536,716.70 = 970,564.20/x - Step 3: Cross multiply
1,026,421.80x = 1,536,716.70 × 970,564.20 - Step 4: Simplify right side
1,026,421.80x = 1,491,482,214,562.14 - Step 5: Solve for x
x = 1,491,482,214,562.14/1,026,421.80 - Step 6: Final answer
x = 1,453,088.99
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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.