Finding the Fourth Proportional to 1,052,225.28, 1,452,159.84 and 644,325.12
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Solution
The fourth proportional to 1,052,225.28, 1,452,159.84 and 644,325.12 is: 889,223.14
Step by Step Solution
- Step 1: Write the proportion equation
1,052,225.28 : 1,452,159.84 = 644,325.12 : x - Step 2: Convert to fraction form
1,052,225.28/1,452,159.84 = 644,325.12/x - Step 3: Cross multiply
1,052,225.28x = 1,452,159.84 × 644,325.12 - Step 4: Simplify right side
1,052,225.28x = 935,663,063,167.18 - Step 5: Solve for x
x = 935,663,063,167.18/1,052,225.28 - Step 6: Final answer
x = 889,223.14
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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.