Finding the Fourth Proportional to 1,413,755.12, 2,121,961.24 and 740,319.68
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Solution
The fourth proportional to 1,413,755.12, 2,121,961.24 and 740,319.68 is: 1,111,175.23
Step by Step Solution
- Step 1: Write the proportion equation
1,413,755.12 : 2,121,961.24 = 740,319.68 : x - Step 2: Convert to fraction form
1,413,755.12/2,121,961.24 = 740,319.68/x - Step 3: Cross multiply
1,413,755.12x = 2,121,961.24 × 740,319.68 - Step 4: Simplify right side
1,413,755.12x = 1,570,929,666,169.20 - Step 5: Solve for x
x = 1,570,929,666,169.20/1,413,755.12 - Step 6: Final answer
x = 1,111,175.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.