Finding the Fourth Proportional to 1,242,257.68, 1,863,870.36 and 494,379.28
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Solution
The fourth proportional to 1,242,257.68, 1,863,870.36 and 494,379.28 is: 741,761.47
Step by Step Solution
- Step 1: Write the proportion equation
1,242,257.68 : 1,863,870.36 = 494,379.28 : x - Step 2: Convert to fraction form
1,242,257.68/1,863,870.36 = 494,379.28/x - Step 3: Cross multiply
1,242,257.68x = 1,863,870.36 × 494,379.28 - Step 4: Simplify right side
1,242,257.68x = 921,458,886,590.14 - Step 5: Solve for x
x = 921,458,886,590.14/1,242,257.68 - Step 6: Final answer
x = 741,761.47
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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.