Finding the Fourth Proportional to 1,088,990.11, 1,502,899.36 and 605,649.44
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Solution
The fourth proportional to 1,088,990.11, 1,502,899.36 and 605,649.44 is: 835,847.96
Step by Step Solution
- Step 1: Write the proportion equation
1,088,990.11 : 1,502,899.36 = 605,649.44 : x - Step 2: Convert to fraction form
1,088,990.11/1,502,899.36 = 605,649.44/x - Step 3: Cross multiply
1,088,990.11x = 1,502,899.36 × 605,649.44 - Step 4: Simplify right side
1,088,990.11x = 910,230,155,760.36 - Step 5: Solve for x
x = 910,230,155,760.36/1,088,990.11 - Step 6: Final answer
x = 835,847.96
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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.