Finding the Fourth Proportional to 1,361,989.08, 1,879,630.29 and 750,141.72
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Solution
The fourth proportional to 1,361,989.08, 1,879,630.29 and 750,141.72 is: 1,035,242.59
Step by Step Solution
- Step 1: Write the proportion equation
1,361,989.08 : 1,879,630.29 = 750,141.72 : x - Step 2: Convert to fraction form
1,361,989.08/1,879,630.29 = 750,141.72/x - Step 3: Cross multiply
1,361,989.08x = 1,879,630.29 × 750,141.72 - Step 4: Simplify right side
1,361,989.08x = 1,409,989,098,704.70 - Step 5: Solve for x
x = 1,409,989,098,704.70/1,361,989.08 - Step 6: Final answer
x = 1,035,242.59
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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.