Finding the Fourth Proportional to 1,017,207.12, 1,403,589.96 and 609,213.36
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Solution
The fourth proportional to 1,017,207.12, 1,403,589.96 and 609,213.36 is: 840,621.09
Step by Step Solution
- Step 1: Write the proportion equation
1,017,207.12 : 1,403,589.96 = 609,213.36 : x - Step 2: Convert to fraction form
1,017,207.12/1,403,589.96 = 609,213.36/x - Step 3: Cross multiply
1,017,207.12x = 1,403,589.96 × 609,213.36 - Step 4: Simplify right side
1,017,207.12x = 855,085,755,593.87 - Step 5: Solve for x
x = 855,085,755,593.87/1,017,207.12 - Step 6: Final answer
x = 840,621.09
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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.