Finding the Fourth Proportional to 1,335,406.73, 1,842,858.67 and 723,576.05
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Solution
The fourth proportional to 1,335,406.73, 1,842,858.67 and 723,576.05 is: 998,533.53
Step by Step Solution
- Step 1: Write the proportion equation
1,335,406.73 : 1,842,858.67 = 723,576.05 : x - Step 2: Convert to fraction form
1,335,406.73/1,842,858.67 = 723,576.05/x - Step 3: Cross multiply
1,335,406.73x = 1,842,858.67 × 723,576.05 - Step 4: Simplify right side
1,335,406.73x = 1,333,448,394,947.51 - Step 5: Solve for x
x = 1,333,448,394,947.51/1,335,406.73 - Step 6: Final answer
x = 998,533.53
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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.