Finding the Fourth Proportional to 1,048,583.20, 1,572,874.80 and 891,119.20
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Solution
The fourth proportional to 1,048,583.20, 1,572,874.80 and 891,119.20 is: 1,336,678.80
Step by Step Solution
- Step 1: Write the proportion equation
1,048,583.20 : 1,572,874.80 = 891,119.20 : x - Step 2: Convert to fraction form
1,048,583.20/1,572,874.80 = 891,119.20/x - Step 3: Cross multiply
1,048,583.20x = 1,572,874.80 × 891,119.20 - Step 4: Simplify right side
1,048,583.20x = 1,401,618,933,476.16 - Step 5: Solve for x
x = 1,401,618,933,476.16/1,048,583.20 - Step 6: Final answer
x = 1,336,678.80
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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.