Finding the Fourth Proportional to 1,120,628.88, 1,681,437.42 and 588,021.48
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Solution
The fourth proportional to 1,120,628.88, 1,681,437.42 and 588,021.48 is: 882,291.49
Step by Step Solution
- Step 1: Write the proportion equation
1,120,628.88 : 1,681,437.42 = 588,021.48 : x - Step 2: Convert to fraction form
1,120,628.88/1,681,437.42 = 588,021.48/x - Step 3: Cross multiply
1,120,628.88x = 1,681,437.42 × 588,021.48 - Step 4: Simplify right side
1,120,628.88x = 988,721,320,235.78 - Step 5: Solve for x
x = 988,721,320,235.78/1,120,628.88 - Step 6: Final answer
x = 882,291.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.