Finding the Fourth Proportional to 1,365,273.18, 2,049,167.62 and 691,831.60
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Solution
The fourth proportional to 1,365,273.18, 2,049,167.62 and 691,831.60 is: 1,038,384.80
Step by Step Solution
- Step 1: Write the proportion equation
1,365,273.18 : 2,049,167.62 = 691,831.60 : x - Step 2: Convert to fraction form
1,365,273.18/2,049,167.62 = 691,831.60/x - Step 3: Cross multiply
1,365,273.18x = 2,049,167.62 × 691,831.60 - Step 4: Simplify right side
1,365,273.18x = 1,417,678,913,212.79 - Step 5: Solve for x
x = 1,417,678,913,212.79/1,365,273.18 - Step 6: Final answer
x = 1,038,384.80
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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.