Finding the Fourth Proportional to 1,122,003.44, 1,548,497.66 and 631,989.08
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Solution
The fourth proportional to 1,122,003.44, 1,548,497.66 and 631,989.08 is: 872,219.79
Step by Step Solution
- Step 1: Write the proportion equation
1,122,003.44 : 1,548,497.66 = 631,989.08 : x - Step 2: Convert to fraction form
1,122,003.44/1,548,497.66 = 631,989.08/x - Step 3: Cross multiply
1,122,003.44x = 1,548,497.66 × 631,989.08 - Step 4: Simplify right side
1,122,003.44x = 978,633,608,365.61 - Step 5: Solve for x
x = 978,633,608,365.61/1,122,003.44 - Step 6: Final answer
x = 872,219.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.