Finding the Fourth Proportional to 1,283,158.80, 1,770,841.35 and 739,284.71
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Solution
The fourth proportional to 1,283,158.80, 1,770,841.35 and 739,284.71 is: 1,020,260.26
Step by Step Solution
- Step 1: Write the proportion equation
1,283,158.80 : 1,770,841.35 = 739,284.71 : x - Step 2: Convert to fraction form
1,283,158.80/1,770,841.35 = 739,284.71/x - Step 3: Cross multiply
1,283,158.80x = 1,770,841.35 × 739,284.71 - Step 4: Simplify right side
1,283,158.80x = 1,309,155,925,036.55 - Step 5: Solve for x
x = 1,309,155,925,036.55/1,283,158.80 - Step 6: Final answer
x = 1,020,260.26
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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.