Finding the Fourth Proportional to 1,268,271.38, 1,751,133.05 and 816,349.70
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Solution
The fourth proportional to 1,268,271.38, 1,751,133.05 and 816,349.70 is: 1,127,153.82
Step by Step Solution
- Step 1: Write the proportion equation
1,268,271.38 : 1,751,133.05 = 816,349.70 : x - Step 2: Convert to fraction form
1,268,271.38/1,751,133.05 = 816,349.70/x - Step 3: Cross multiply
1,268,271.38x = 1,751,133.05 × 816,349.70 - Step 4: Simplify right side
1,268,271.38x = 1,429,536,927,190.17 - Step 5: Solve for x
x = 1,429,536,927,190.17/1,268,271.38 - Step 6: Final answer
x = 1,127,153.82
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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.