Finding the Fourth Proportional to 1,215,907.24, 1,823,967.78 and 317,341.84
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Solution
The fourth proportional to 1,215,907.24, 1,823,967.78 and 317,341.84 is: 476,040.67
Step by Step Solution
- Step 1: Write the proportion equation
1,215,907.24 : 1,823,967.78 = 317,341.84 : x - Step 2: Convert to fraction form
1,215,907.24/1,823,967.78 = 317,341.84/x - Step 3: Cross multiply
1,215,907.24x = 1,823,967.78 × 317,341.84 - Step 4: Simplify right side
1,215,907.24x = 578,821,291,405.92 - Step 5: Solve for x
x = 578,821,291,405.92/1,215,907.24 - Step 6: Final answer
x = 476,040.67
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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.