Finding the Fourth Proportional to 1,068,636.98, 1,474,708.52 and 578,604.12
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Solution
The fourth proportional to 1,068,636.98, 1,474,708.52 and 578,604.12 is: 798,467.99
Step by Step Solution
- Step 1: Write the proportion equation
1,068,636.98 : 1,474,708.52 = 578,604.12 : x - Step 2: Convert to fraction form
1,068,636.98/1,474,708.52 = 578,604.12/x - Step 3: Cross multiply
1,068,636.98x = 1,474,708.52 × 578,604.12 - Step 4: Simplify right side
1,068,636.98x = 853,272,425,471.10 - Step 5: Solve for x
x = 853,272,425,471.10/1,068,636.98 - Step 6: Final answer
x = 798,467.99
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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.