Finding the Fourth Proportional to 1,299,433.53, 1,949,283.99 and 490,499.31
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Solution
The fourth proportional to 1,299,433.53, 1,949,283.99 and 490,499.31 is: 735,799.43
Step by Step Solution
- Step 1: Write the proportion equation
1,299,433.53 : 1,949,283.99 = 490,499.31 : x - Step 2: Convert to fraction form
1,299,433.53/1,949,283.99 = 490,499.31/x - Step 3: Cross multiply
1,299,433.53x = 1,949,283.99 × 490,499.31 - Step 4: Simplify right side
1,299,433.53x = 956,122,452,089.05 - Step 5: Solve for x
x = 956,122,452,089.05/1,299,433.53 - Step 6: Final answer
x = 735,799.43
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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.