Finding the Fourth Proportional to 1,386,252.17, 1,912,903.17 and 774,351.44
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Solution
The fourth proportional to 1,386,252.17, 1,912,903.17 and 774,351.44 is: 1,068,535.26
Step by Step Solution
- Step 1: Write the proportion equation
1,386,252.17 : 1,912,903.17 = 774,351.44 : x - Step 2: Convert to fraction form
1,386,252.17/1,912,903.17 = 774,351.44/x - Step 3: Cross multiply
1,386,252.17x = 1,912,903.17 × 774,351.44 - Step 4: Simplify right side
1,386,252.17x = 1,481,259,324,270.06 - Step 5: Solve for x
x = 1,481,259,324,270.06/1,386,252.17 - Step 6: Final answer
x = 1,068,535.26
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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.