Finding the Fourth Proportional to 1,347,207.84, 1,858,869.32 and 774,137.30
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Solution
The fourth proportional to 1,347,207.84, 1,858,869.32 and 774,137.30 is: 1,068,150.01
Step by Step Solution
- Step 1: Write the proportion equation
1,347,207.84 : 1,858,869.32 = 774,137.30 : x - Step 2: Convert to fraction form
1,347,207.84/1,858,869.32 = 774,137.30/x - Step 3: Cross multiply
1,347,207.84x = 1,858,869.32 × 774,137.30 - Step 4: Simplify right side
1,347,207.84x = 1,439,020,063,272.60 - Step 5: Solve for x
x = 1,439,020,063,272.60/1,347,207.84 - Step 6: Final answer
x = 1,068,150.01
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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.