Finding the Fourth Proportional to 1,316,158.75, 1,816,132.17 and 772,096.02
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Solution
The fourth proportional to 1,316,158.75, 1,816,132.17 and 772,096.02 is: 1,065,394.60
Step by Step Solution
- Step 1: Write the proportion equation
1,316,158.75 : 1,816,132.17 = 772,096.02 : x - Step 2: Convert to fraction form
1,316,158.75/1,816,132.17 = 772,096.02/x - Step 3: Cross multiply
1,316,158.75x = 1,816,132.17 × 772,096.02 - Step 4: Simplify right side
1,316,158.75x = 1,402,228,427,915.56 - Step 5: Solve for x
x = 1,402,228,427,915.56/1,316,158.75 - Step 6: Final answer
x = 1,065,394.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.