Finding the Fourth Proportional to 1,153,474.18, 1,580,233.37 and 1,110,347.80
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Solution
The fourth proportional to 1,153,474.18, 1,580,233.37 and 1,110,347.80 is: 1,521,151.21
Step by Step Solution
- Step 1: Write the proportion equation
1,153,474.18 : 1,580,233.37 = 1,110,347.80 : x - Step 2: Convert to fraction form
1,153,474.18/1,580,233.37 = 1,110,347.80/x - Step 3: Cross multiply
1,153,474.18x = 1,580,233.37 × 1,110,347.80 - Step 4: Simplify right side
1,153,474.18x = 1,754,608,645,866.09 - Step 5: Solve for x
x = 1,754,608,645,866.09/1,153,474.18 - Step 6: Final answer
x = 1,521,151.21
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.