Finding the Fourth Proportional to 1,248,694.94, 1,872,283.91 and 489,626.98
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Solution
The fourth proportional to 1,248,694.94, 1,872,283.91 and 489,626.98 is: 734,143.05
Step by Step Solution
- Step 1: Write the proportion equation
1,248,694.94 : 1,872,283.91 = 489,626.98 : x - Step 2: Convert to fraction form
1,248,694.94/1,872,283.91 = 489,626.98/x - Step 3: Cross multiply
1,248,694.94x = 1,872,283.91 × 489,626.98 - Step 4: Simplify right side
1,248,694.94x = 916,720,709,427.05 - Step 5: Solve for x
x = 916,720,709,427.05/1,248,694.94 - Step 6: Final answer
x = 734,143.05
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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.