Finding the Fourth Proportional to 1,357,764.77, 1,874,092.49 and 777,313.10
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Solution
The fourth proportional to 1,357,764.77, 1,874,092.49 and 777,313.10 is: 1,072,907.96
Step by Step Solution
- Step 1: Write the proportion equation
1,357,764.77 : 1,874,092.49 = 777,313.10 : x - Step 2: Convert to fraction form
1,357,764.77/1,874,092.49 = 777,313.10/x - Step 3: Cross multiply
1,357,764.77x = 1,874,092.49 × 777,313.10 - Step 4: Simplify right side
1,357,764.77x = 1,456,756,629,831.59 - Step 5: Solve for x
x = 1,456,756,629,831.59/1,357,764.77 - Step 6: Final answer
x = 1,072,907.96
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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.