Finding the Fourth Proportional to 1,258,847.68, 1,888,540.62 and 405,967.96
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Solution
The fourth proportional to 1,258,847.68, 1,888,540.62 and 405,967.96 is: 609,038.72
Step by Step Solution
- Step 1: Write the proportion equation
1,258,847.68 : 1,888,540.62 = 405,967.96 : x - Step 2: Convert to fraction form
1,258,847.68/1,888,540.62 = 405,967.96/x - Step 3: Cross multiply
1,258,847.68x = 1,888,540.62 × 405,967.96 - Step 4: Simplify right side
1,258,847.68x = 766,686,982,878.54 - Step 5: Solve for x
x = 766,686,982,878.54/1,258,847.68 - Step 6: Final answer
x = 609,038.72
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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.