Finding the Fourth Proportional to 1,284,764.16, 1,772,593.92 and 775,257.60
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Solution
The fourth proportional to 1,284,764.16, 1,772,593.92 and 775,257.60 is: 1,069,625.81
Step by Step Solution
- Step 1: Write the proportion equation
1,284,764.16 : 1,772,593.92 = 775,257.60 : x - Step 2: Convert to fraction form
1,284,764.16/1,772,593.92 = 775,257.60/x - Step 3: Cross multiply
1,284,764.16x = 1,772,593.92 × 775,257.60 - Step 4: Simplify right side
1,284,764.16x = 1,374,216,908,193.79 - Step 5: Solve for x
x = 1,374,216,908,193.79/1,284,764.16 - Step 6: Final answer
x = 1,069,625.81
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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.