Finding the Fourth Proportional to 1,221,250.10, 1,685,526.84 and 677,560.95
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Solution
The fourth proportional to 1,221,250.10, 1,685,526.84 and 677,560.95 is: 935,146.02
Step by Step Solution
- Step 1: Write the proportion equation
1,221,250.10 : 1,685,526.84 = 677,560.95 : x - Step 2: Convert to fraction form
1,221,250.10/1,685,526.84 = 677,560.95/x - Step 3: Cross multiply
1,221,250.10x = 1,685,526.84 × 677,560.95 - Step 4: Simplify right side
1,221,250.10x = 1,142,047,166,960.90 - Step 5: Solve for x
x = 1,142,047,166,960.90/1,221,250.10 - Step 6: Final answer
x = 935,146.02
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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.