Finding the Fourth Proportional to 1,492,454.88, 2,239,341.84 and 782,313.12
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Solution
The fourth proportional to 1,492,454.88, 2,239,341.84 and 782,313.12 is: 1,173,815.39
Step by Step Solution
- Step 1: Write the proportion equation
1,492,454.88 : 2,239,341.84 = 782,313.12 : x - Step 2: Convert to fraction form
1,492,454.88/2,239,341.84 = 782,313.12/x - Step 3: Cross multiply
1,492,454.88x = 2,239,341.84 × 782,313.12 - Step 4: Simplify right side
1,492,454.88x = 1,751,866,501,596.94 - Step 5: Solve for x
x = 1,751,866,501,596.94/1,492,454.88 - Step 6: Final answer
x = 1,173,815.39
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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.