Finding the Fourth Proportional to 1,174,353.62, 1,620,616.29 and 637,809.62
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Solution
The fourth proportional to 1,174,353.62, 1,620,616.29 and 637,809.62 is: 880,181.78
Step by Step Solution
- Step 1: Write the proportion equation
1,174,353.62 : 1,620,616.29 = 637,809.62 : x - Step 2: Convert to fraction form
1,174,353.62/1,620,616.29 = 637,809.62/x - Step 3: Cross multiply
1,174,353.62x = 1,620,616.29 × 637,809.62 - Step 4: Simplify right side
1,174,353.62x = 1,033,644,660,090.71 - Step 5: Solve for x
x = 1,033,644,660,090.71/1,174,353.62 - Step 6: Final answer
x = 880,181.78
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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.