Finding the Fourth Proportional to 1,578,519.04, 2,368,133.12 and 456,675.20
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Solution
The fourth proportional to 1,578,519.04, 2,368,133.12 and 456,675.20 is: 685,115.38
Step by Step Solution
- Step 1: Write the proportion equation
1,578,519.04 : 2,368,133.12 = 456,675.20 : x - Step 2: Convert to fraction form
1,578,519.04/2,368,133.12 = 456,675.20/x - Step 3: Cross multiply
1,578,519.04x = 2,368,133.12 × 456,675.20 - Step 4: Simplify right side
1,578,519.04x = 1,081,467,666,202.62 - Step 5: Solve for x
x = 1,081,467,666,202.62/1,578,519.04 - Step 6: Final answer
x = 685,115.38
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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.