Finding the Fourth Proportional to 1,275,368.36, 1,912,388.18 and 475,992.50
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Solution
The fourth proportional to 1,275,368.36, 1,912,388.18 and 475,992.50 is: 713,740.79
Step by Step Solution
- Step 1: Write the proportion equation
1,275,368.36 : 1,912,388.18 = 475,992.50 : x - Step 2: Convert to fraction form
1,275,368.36/1,912,388.18 = 475,992.50/x - Step 3: Cross multiply
1,275,368.36x = 1,912,388.18 × 475,992.50 - Step 4: Simplify right side
1,275,368.36x = 910,282,418,826.75 - Step 5: Solve for x
x = 910,282,418,826.75/1,275,368.36 - Step 6: Final answer
x = 713,740.79
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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.