Finding the Fourth Proportional to 1,129,891.68, 1,559,272.68 and 620,622
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Solution
The fourth proportional to 1,129,891.68, 1,559,272.68 and 620,622 is: 856,470.53
Step by Step Solution
- Step 1: Write the proportion equation
1,129,891.68 : 1,559,272.68 = 620,622 : x - Step 2: Convert to fraction form
1,129,891.68/1,559,272.68 = 620,622/x - Step 3: Cross multiply
1,129,891.68x = 1,559,272.68 × 620,622 - Step 4: Simplify right side
1,129,891.68x = 967,718,929,206.96 - Step 5: Solve for x
x = 967,718,929,206.96/1,129,891.68 - Step 6: Final answer
x = 856,470.53
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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.