Finding the Fourth Proportional to 1,362,137.18, 1,879,679.87 and 750,276.78
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Solution
The fourth proportional to 1,362,137.18, 1,879,679.87 and 750,276.78 is: 1,035,343.70
Step by Step Solution
- Step 1: Write the proportion equation
1,362,137.18 : 1,879,679.87 = 750,276.78 : x - Step 2: Convert to fraction form
1,362,137.18/1,879,679.87 = 750,276.78/x - Step 3: Cross multiply
1,362,137.18x = 1,879,679.87 × 750,276.78 - Step 4: Simplify right side
1,362,137.18x = 1,410,280,156,528.08 - Step 5: Solve for x
x = 1,410,280,156,528.08/1,362,137.18 - Step 6: Final answer
x = 1,035,343.70
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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.