Finding the Fourth Proportional to 1,373,798.08, 1,894,193.76 and 890,186.72
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Solution
The fourth proportional to 1,373,798.08, 1,894,193.76 and 890,186.72 is: 1,227,390.08
Step by Step Solution
- Step 1: Write the proportion equation
1,373,798.08 : 1,894,193.76 = 890,186.72 : x - Step 2: Convert to fraction form
1,373,798.08/1,894,193.76 = 890,186.72/x - Step 3: Cross multiply
1,373,798.08x = 1,894,193.76 × 890,186.72 - Step 4: Simplify right side
1,373,798.08x = 1,686,186,130,258.87 - Step 5: Solve for x
x = 1,686,186,130,258.87/1,373,798.08 - Step 6: Final answer
x = 1,227,390.08
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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.