Finding the Fourth Proportional to 1,326,897.48, 1,831,118.58 and 723,285.48
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Solution
The fourth proportional to 1,326,897.48, 1,831,118.58 and 723,285.48 is: 998,133.99
Step by Step Solution
- Step 1: Write the proportion equation
1,326,897.48 : 1,831,118.58 = 723,285.48 : x - Step 2: Convert to fraction form
1,326,897.48/1,831,118.58 = 723,285.48/x - Step 3: Cross multiply
1,326,897.48x = 1,831,118.58 × 723,285.48 - Step 4: Simplify right side
1,326,897.48x = 1,324,421,481,072.22 - Step 5: Solve for x
x = 1,324,421,481,072.22/1,326,897.48 - Step 6: Final answer
x = 998,133.99
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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.