Finding the Fourth Proportional to 1,170,407.48, 1,755,261.29 and 609,135.80
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Solution
The fourth proportional to 1,170,407.48, 1,755,261.29 and 609,135.80 is: 913,521.58
Step by Step Solution
- Step 1: Write the proportion equation
1,170,407.48 : 1,755,261.29 = 609,135.80 : x - Step 2: Convert to fraction form
1,170,407.48/1,755,261.29 = 609,135.80/x - Step 3: Cross multiply
1,170,407.48x = 1,755,261.29 × 609,135.80 - Step 4: Simplify right side
1,170,407.48x = 1,069,192,482,839.72 - Step 5: Solve for x
x = 1,069,192,482,839.72/1,170,407.48 - Step 6: Final answer
x = 913,521.58
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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.