Finding the Fourth Proportional to 1,490,157.72, 2,235,613.83 and 425,203.56
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Solution
The fourth proportional to 1,490,157.72, 2,235,613.83 and 425,203.56 is: 637,912.99
Step by Step Solution
- Step 1: Write the proportion equation
1,490,157.72 : 2,235,613.83 = 425,203.56 : x - Step 2: Convert to fraction form
1,490,157.72/2,235,613.83 = 425,203.56/x - Step 3: Cross multiply
1,490,157.72x = 2,235,613.83 × 425,203.56 - Step 4: Simplify right side
1,490,157.72x = 950,590,959,301.24 - Step 5: Solve for x
x = 950,590,959,301.24/1,490,157.72 - Step 6: Final answer
x = 637,912.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.