Finding the Fourth Proportional to 1,008,110.90, 1,512,166.35 and 672,187.70
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Solution
The fourth proportional to 1,008,110.90, 1,512,166.35 and 672,187.70 is: 1,008,281.55
Step by Step Solution
- Step 1: Write the proportion equation
1,008,110.90 : 1,512,166.35 = 672,187.70 : x - Step 2: Convert to fraction form
1,008,110.90/1,512,166.35 = 672,187.70/x - Step 3: Cross multiply
1,008,110.90x = 1,512,166.35 × 672,187.70 - Step 4: Simplify right side
1,008,110.90x = 1,016,459,620,823.90 - Step 5: Solve for x
x = 1,016,459,620,823.90/1,008,110.90 - Step 6: Final answer
x = 1,008,281.55
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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.