Finding the Fourth Proportional to 1,090,236.84, 1,635,226.47 and 291,580.29
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Solution
The fourth proportional to 1,090,236.84, 1,635,226.47 and 291,580.29 is: 437,335.99
Step by Step Solution
- Step 1: Write the proportion equation
1,090,236.84 : 1,635,226.47 = 291,580.29 : x - Step 2: Convert to fraction form
1,090,236.84/1,635,226.47 = 291,580.29/x - Step 3: Cross multiply
1,090,236.84x = 1,635,226.47 × 291,580.29 - Step 4: Simplify right side
1,090,236.84x = 476,799,808,338.28 - Step 5: Solve for x
x = 476,799,808,338.28/1,090,236.84 - Step 6: Final answer
x = 437,335.99
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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.