Finding the Fourth Proportional to 1,425,668.74, 2,138,699.67 and 479,112.82
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Solution
The fourth proportional to 1,425,668.74, 2,138,699.67 and 479,112.82 is: 718,735.29
Step by Step Solution
- Step 1: Write the proportion equation
1,425,668.74 : 2,138,699.67 = 479,112.82 : x - Step 2: Convert to fraction form
1,425,668.74/2,138,699.67 = 479,112.82/x - Step 3: Cross multiply
1,425,668.74x = 2,138,699.67 × 479,112.82 - Step 4: Simplify right side
1,425,668.74x = 1,024,678,430,026.77 - Step 5: Solve for x
x = 1,024,678,430,026.77/1,425,668.74 - Step 6: Final answer
x = 718,735.29
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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.