Finding the Fourth Proportional to 1,118,373.96, 1,543,399.76 and 634,984.08
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Solution
The fourth proportional to 1,118,373.96, 1,543,399.76 and 634,984.08 is: 876,302.84
Step by Step Solution
- Step 1: Write the proportion equation
1,118,373.96 : 1,543,399.76 = 634,984.08 : x - Step 2: Convert to fraction form
1,118,373.96/1,543,399.76 = 634,984.08/x - Step 3: Cross multiply
1,118,373.96x = 1,543,399.76 × 634,984.08 - Step 4: Simplify right side
1,118,373.96x = 980,034,273,500.90 - Step 5: Solve for x
x = 980,034,273,500.90/1,118,373.96 - Step 6: Final answer
x = 876,302.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.