Finding the Fourth Proportional to 1,129,890.06, 1,694,837.82 and 276,965.53
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Solution
The fourth proportional to 1,129,890.06, 1,694,837.82 and 276,965.53 is: 415,448.96
Step by Step Solution
- Step 1: Write the proportion equation
1,129,890.06 : 1,694,837.82 = 276,965.53 : x - Step 2: Convert to fraction form
1,129,890.06/1,694,837.82 = 276,965.53/x - Step 3: Cross multiply
1,129,890.06x = 1,694,837.82 × 276,965.53 - Step 4: Simplify right side
1,129,890.06x = 469,411,651,881.87 - Step 5: Solve for x
x = 469,411,651,881.87/1,129,890.06 - Step 6: Final answer
x = 415,448.96
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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.