Finding the Fourth Proportional to 1,220,247.24, 1,683,958.14 and 669,014.76
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Solution
The fourth proportional to 1,220,247.24, 1,683,958.14 and 669,014.76 is: 923,249.66
Step by Step Solution
- Step 1: Write the proportion equation
1,220,247.24 : 1,683,958.14 = 669,014.76 : x - Step 2: Convert to fraction form
1,220,247.24/1,683,958.14 = 669,014.76/x - Step 3: Cross multiply
1,220,247.24x = 1,683,958.14 × 669,014.76 - Step 4: Simplify right side
1,220,247.24x = 1,126,592,850,882.15 - Step 5: Solve for x
x = 1,126,592,850,882.15/1,220,247.24 - Step 6: Final answer
x = 923,249.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.