Finding the Fourth Proportional to 1,351,253.21, 1,864,753.04 and 739,460.21
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Solution
The fourth proportional to 1,351,253.21, 1,864,753.04 and 739,460.21 is: 1,020,468.01
Step by Step Solution
- Step 1: Write the proportion equation
1,351,253.21 : 1,864,753.04 = 739,460.21 : x - Step 2: Convert to fraction form
1,351,253.21/1,864,753.04 = 739,460.21/x - Step 3: Cross multiply
1,351,253.21x = 1,864,753.04 × 739,460.21 - Step 4: Simplify right side
1,351,253.21x = 1,378,910,667,081.42 - Step 5: Solve for x
x = 1,378,910,667,081.42/1,351,253.21 - Step 6: Final answer
x = 1,020,468.01
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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.