Finding the Fourth Proportional to 1,129,770.19, 1,559,095.14 and 620,472.52
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Solution
The fourth proportional to 1,129,770.19, 1,559,095.14 and 620,472.52 is: 856,258.82
Step by Step Solution
- Step 1: Write the proportion equation
1,129,770.19 : 1,559,095.14 = 620,472.52 : x - Step 2: Convert to fraction form
1,129,770.19/1,559,095.14 = 620,472.52/x - Step 3: Cross multiply
1,129,770.19x = 1,559,095.14 × 620,472.52 - Step 4: Simplify right side
1,129,770.19x = 967,375,690,435.55 - Step 5: Solve for x
x = 967,375,690,435.55/1,129,770.19 - Step 6: Final answer
x = 856,258.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.