Finding the Fourth Proportional to 1,264,707, 1,896,920.78 and 318,078.09
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Solution
The fourth proportional to 1,264,707, 1,896,920.78 and 318,078.09 is: 477,081.99
Step by Step Solution
- Step 1: Write the proportion equation
1,264,707 : 1,896,920.78 = 318,078.09 : x - Step 2: Convert to fraction form
1,264,707/1,896,920.78 = 318,078.09/x - Step 3: Cross multiply
1,264,707x = 1,896,920.78 × 318,078.09 - Step 4: Simplify right side
1,264,707x = 603,368,936,993.32 - Step 5: Solve for x
x = 603,368,936,993.32/1,264,707 - Step 6: Final answer
x = 477,081.99
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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.