Finding the Fourth Proportional to 865,121.98, 1,185,197.33 and 832,777.12
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Solution
The fourth proportional to 865,121.98, 1,185,197.33 and 832,777.12 is: 1,140,885.61
Step by Step Solution
- Step 1: Write the proportion equation
865,121.98 : 1,185,197.33 = 832,777.12 : x - Step 2: Convert to fraction form
865,121.98/1,185,197.33 = 832,777.12/x - Step 3: Cross multiply
865,121.98x = 1,185,197.33 × 832,777.12 - Step 4: Simplify right side
865,121.98x = 987,005,219,109.09 - Step 5: Solve for x
x = 987,005,219,109.09/865,121.98 - Step 6: Final answer
x = 1,140,885.61
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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.