Finding the Fourth Proportional to 1,135,238.88, 1,700,931.33 and 685,013.75
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Solution
The fourth proportional to 1,135,238.88, 1,700,931.33 and 685,013.75 is: 1,026,357.86
Step by Step Solution
- Step 1: Write the proportion equation
1,135,238.88 : 1,700,931.33 = 685,013.75 : x - Step 2: Convert to fraction form
1,135,238.88/1,700,931.33 = 685,013.75/x - Step 3: Cross multiply
1,135,238.88x = 1,700,931.33 × 685,013.75 - Step 4: Simplify right side
1,135,238.88x = 1,165,161,348,855.79 - Step 5: Solve for x
x = 1,165,161,348,855.79/1,135,238.88 - Step 6: Final answer
x = 1,026,357.86
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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.