Finding the Fourth Proportional to 1,433,161.62, 1,977,760.80 and 860,204.34
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Solution
The fourth proportional to 1,433,161.62, 1,977,760.80 and 860,204.34 is: 1,187,080.65
Step by Step Solution
- Step 1: Write the proportion equation
1,433,161.62 : 1,977,760.80 = 860,204.34 : x - Step 2: Convert to fraction form
1,433,161.62/1,977,760.80 = 860,204.34/x - Step 3: Cross multiply
1,433,161.62x = 1,977,760.80 × 860,204.34 - Step 4: Simplify right side
1,433,161.62x = 1,701,278,423,641.87 - Step 5: Solve for x
x = 1,701,278,423,641.87/1,433,161.62 - Step 6: Final answer
x = 1,187,080.65
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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.