Finding the Fourth Proportional to 1,107,193.60, 1,658,457.60 and 920,569.60
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Solution
The fourth proportional to 1,107,193.60, 1,658,457.60 and 920,569.60 is: 1,378,914.81
Step by Step Solution
- Step 1: Write the proportion equation
1,107,193.60 : 1,658,457.60 = 920,569.60 : x - Step 2: Convert to fraction form
1,107,193.60/1,658,457.60 = 920,569.60/x - Step 3: Cross multiply
1,107,193.60x = 1,658,457.60 × 920,569.60 - Step 4: Simplify right side
1,107,193.60x = 1,526,725,649,448.96 - Step 5: Solve for x
x = 1,526,725,649,448.96/1,107,193.60 - Step 6: Final answer
x = 1,378,914.81
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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.