Finding the Fourth Proportional to 1,578,710.80, 2,368,455.18 and 456,893.20
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Solution
The fourth proportional to 1,578,710.80, 2,368,455.18 and 456,893.20 is: 685,452.37
Step by Step Solution
- Step 1: Write the proportion equation
1,578,710.80 : 2,368,455.18 = 456,893.20 : x - Step 2: Convert to fraction form
1,578,710.80/2,368,455.18 = 456,893.20/x - Step 3: Cross multiply
1,578,710.80x = 2,368,455.18 × 456,893.20 - Step 4: Simplify right side
1,578,710.80x = 1,082,131,066,246.78 - Step 5: Solve for x
x = 1,082,131,066,246.78/1,578,710.80 - Step 6: Final answer
x = 685,452.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.