Finding the Fourth Proportional to 1,069,049.95, 1,474,106.75 and 681,251.06
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Solution
The fourth proportional to 1,069,049.95, 1,474,106.75 and 681,251.06 is: 939,373.12
Step by Step Solution
- Step 1: Write the proportion equation
1,069,049.95 : 1,474,106.75 = 681,251.06 : x - Step 2: Convert to fraction form
1,069,049.95/1,474,106.75 = 681,251.06/x - Step 3: Cross multiply
1,069,049.95x = 1,474,106.75 × 681,251.06 - Step 4: Simplify right side
1,069,049.95x = 1,004,236,788,824.36 - Step 5: Solve for x
x = 1,004,236,788,824.36/1,069,049.95 - Step 6: Final answer
x = 939,373.12
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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.