Finding the Fourth Proportional to 1,358,679.04, 1,874,936.55 and 777,882.90
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Solution
The fourth proportional to 1,358,679.04, 1,874,936.55 and 777,882.90 is: 1,073,455.20
Step by Step Solution
- Step 1: Write the proportion equation
1,358,679.04 : 1,874,936.55 = 777,882.90 : x - Step 2: Convert to fraction form
1,358,679.04/1,874,936.55 = 777,882.90/x - Step 3: Cross multiply
1,358,679.04x = 1,874,936.55 × 777,882.90 - Step 4: Simplify right side
1,358,679.04x = 1,458,481,080,830.00 - Step 5: Solve for x
x = 1,458,481,080,830.00/1,358,679.04 - Step 6: Final answer
x = 1,073,455.20
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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.