Finding the Fourth Proportional to 1,212,034.68, 1,818,388.26 and 528,981.12
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Solution
The fourth proportional to 1,212,034.68, 1,818,388.26 and 528,981.12 is: 793,618.43
Step by Step Solution
- Step 1: Write the proportion equation
1,212,034.68 : 1,818,388.26 = 528,981.12 : x - Step 2: Convert to fraction form
1,212,034.68/1,818,388.26 = 528,981.12/x - Step 3: Cross multiply
1,212,034.68x = 1,818,388.26 × 528,981.12 - Step 4: Simplify right side
1,212,034.68x = 961,893,058,369.65 - Step 5: Solve for x
x = 961,893,058,369.65/1,212,034.68 - Step 6: Final answer
x = 793,618.43
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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.