Finding the Fourth Proportional to 1,245,276.36, 1,868,176.98 and 403,762.50
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Solution
The fourth proportional to 1,245,276.36, 1,868,176.98 and 403,762.50 is: 605,728.84
Step by Step Solution
- Step 1: Write the proportion equation
1,245,276.36 : 1,868,176.98 = 403,762.50 : x - Step 2: Convert to fraction form
1,245,276.36/1,868,176.98 = 403,762.50/x - Step 3: Cross multiply
1,245,276.36x = 1,868,176.98 × 403,762.50 - Step 4: Simplify right side
1,245,276.36x = 754,299,807,887.25 - Step 5: Solve for x
x = 754,299,807,887.25/1,245,276.36 - Step 6: Final answer
x = 605,728.84
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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.