Finding the Fourth Proportional to 1,101,814.80, 1,652,722.20 and 653,917.20
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Solution
The fourth proportional to 1,101,814.80, 1,652,722.20 and 653,917.20 is: 980,875.80
Step by Step Solution
- Step 1: Write the proportion equation
1,101,814.80 : 1,652,722.20 = 653,917.20 : x - Step 2: Convert to fraction form
1,101,814.80/1,652,722.20 = 653,917.20/x - Step 3: Cross multiply
1,101,814.80x = 1,652,722.20 × 653,917.20 - Step 4: Simplify right side
1,101,814.80x = 1,080,743,473,401.84 - Step 5: Solve for x
x = 1,080,743,473,401.84/1,101,814.80 - Step 6: Final answer
x = 980,875.80
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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.