Finding the Fourth Proportional to 1,131,919.26, 1,697,468.04 and 619,964.70
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Solution
The fourth proportional to 1,131,919.26, 1,697,468.04 and 619,964.70 is: 929,722.02
Step by Step Solution
- Step 1: Write the proportion equation
1,131,919.26 : 1,697,468.04 = 619,964.70 : x - Step 2: Convert to fraction form
1,131,919.26/1,697,468.04 = 619,964.70/x - Step 3: Cross multiply
1,131,919.26x = 1,697,468.04 × 619,964.70 - Step 4: Simplify right side
1,131,919.26x = 1,052,370,264,178.19 - Step 5: Solve for x
x = 1,052,370,264,178.19/1,131,919.26 - Step 6: Final answer
x = 929,722.02
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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.