Finding the Fourth Proportional to 1,045,212.72, 1,440,847.08 and 815,509.68
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Solution
The fourth proportional to 1,045,212.72, 1,440,847.08 and 815,509.68 is: 1,124,196.75
Step by Step Solution
- Step 1: Write the proportion equation
1,045,212.72 : 1,440,847.08 = 815,509.68 : x - Step 2: Convert to fraction form
1,045,212.72/1,440,847.08 = 815,509.68/x - Step 3: Cross multiply
1,045,212.72x = 1,440,847.08 × 815,509.68 - Step 4: Simplify right side
1,045,212.72x = 1,175,024,741,139.73 - Step 5: Solve for x
x = 1,175,024,741,139.73/1,045,212.72 - Step 6: Final answer
x = 1,124,196.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.