Finding the Fourth Proportional to 1,089,395.64, 1,634,090.88 and 519,045.48
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Solution
The fourth proportional to 1,089,395.64, 1,634,090.88 and 519,045.48 is: 778,566.99
Step by Step Solution
- Step 1: Write the proportion equation
1,089,395.64 : 1,634,090.88 = 519,045.48 : x - Step 2: Convert to fraction form
1,089,395.64/1,634,090.88 = 519,045.48/x - Step 3: Cross multiply
1,089,395.64x = 1,634,090.88 × 519,045.48 - Step 4: Simplify right side
1,089,395.64x = 848,167,485,173.22 - Step 5: Solve for x
x = 848,167,485,173.22/1,089,395.64 - Step 6: Final answer
x = 778,566.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.