Finding the Fourth Proportional to 1,330,258.42, 1,995,372.96 and 383,598.46
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Solution
The fourth proportional to 1,330,258.42, 1,995,372.96 and 383,598.46 is: 575,393.46
Step by Step Solution
- Step 1: Write the proportion equation
1,330,258.42 : 1,995,372.96 = 383,598.46 : x - Step 2: Convert to fraction form
1,330,258.42/1,995,372.96 = 383,598.46/x - Step 3: Cross multiply
1,330,258.42x = 1,995,372.96 × 383,598.46 - Step 4: Simplify right side
1,330,258.42x = 765,421,994,581.64 - Step 5: Solve for x
x = 765,421,994,581.64/1,330,258.42 - Step 6: Final answer
x = 575,393.46
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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.