Finding the Fourth Proportional to 1,132,914.08, 1,563,238.48 and 649,390.24
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Solution
The fourth proportional to 1,132,914.08, 1,563,238.48 and 649,390.24 is: 896,053.66
Step by Step Solution
- Step 1: Write the proportion equation
1,132,914.08 : 1,563,238.48 = 649,390.24 : x - Step 2: Convert to fraction form
1,132,914.08/1,563,238.48 = 649,390.24/x - Step 3: Cross multiply
1,132,914.08x = 1,563,238.48 × 649,390.24 - Step 4: Simplify right side
1,132,914.08x = 1,015,151,811,704.44 - Step 5: Solve for x
x = 1,015,151,811,704.44/1,132,914.08 - Step 6: Final answer
x = 896,053.66
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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.