Finding the Fourth Proportional to 1,386,099.23, 1,912,823.60 and 774,277.79
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Solution
The fourth proportional to 1,386,099.23, 1,912,823.60 and 774,277.79 is: 1,068,507.07
Step by Step Solution
- Step 1: Write the proportion equation
1,386,099.23 : 1,912,823.60 = 774,277.79 : x - Step 2: Convert to fraction form
1,386,099.23/1,912,823.60 = 774,277.79/x - Step 3: Cross multiply
1,386,099.23x = 1,912,823.60 × 774,277.79 - Step 4: Simplify right side
1,386,099.23x = 1,481,056,816,232.34 - Step 5: Solve for x
x = 1,481,056,816,232.34/1,386,099.23 - Step 6: Final answer
x = 1,068,507.07
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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.