Finding the Fourth Proportional to 1,135,272.72, 1,700,982.18 and 685,047.63
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Solution
The fourth proportional to 1,135,272.72, 1,700,982.18 and 685,047.63 is: 1,026,408.71
Step by Step Solution
- Step 1: Write the proportion equation
1,135,272.72 : 1,700,982.18 = 685,047.63 : x - Step 2: Convert to fraction form
1,135,272.72/1,700,982.18 = 685,047.63/x - Step 3: Cross multiply
1,135,272.72x = 1,700,982.18 × 685,047.63 - Step 4: Simplify right side
1,135,272.72x = 1,165,253,811,081.23 - Step 5: Solve for x
x = 1,165,253,811,081.23/1,135,272.72 - Step 6: Final answer
x = 1,026,408.71
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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.