Finding the Fourth Proportional to 1,126,586.94, 1,688,918.13 and 416,482.62
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Solution
The fourth proportional to 1,126,586.94, 1,688,918.13 and 416,482.62 is: 624,368.19
Step by Step Solution
- Step 1: Write the proportion equation
1,126,586.94 : 1,688,918.13 = 416,482.62 : x - Step 2: Convert to fraction form
1,126,586.94/1,688,918.13 = 416,482.62/x - Step 3: Cross multiply
1,126,586.94x = 1,688,918.13 × 416,482.62 - Step 4: Simplify right side
1,126,586.94x = 703,405,047,747.90 - Step 5: Solve for x
x = 703,405,047,747.90/1,126,586.94 - Step 6: Final answer
x = 624,368.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.