Finding the Fourth Proportional to 1,090,223.99, 1,635,207.19 and 291,567.43
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Solution
The fourth proportional to 1,090,223.99, 1,635,207.19 and 291,567.43 is: 437,316.70
Step by Step Solution
- Step 1: Write the proportion equation
1,090,223.99 : 1,635,207.19 = 291,567.43 : x - Step 2: Convert to fraction form
1,090,223.99/1,635,207.19 = 291,567.43/x - Step 3: Cross multiply
1,090,223.99x = 1,635,207.19 × 291,567.43 - Step 4: Simplify right side
1,090,223.99x = 476,773,160,860.98 - Step 5: Solve for x
x = 476,773,160,860.98/1,090,223.99 - Step 6: Final answer
x = 437,316.70
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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.