Finding the Fourth Proportional to 1,296,854.44, 1,789,343.94 and 760,206.76
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Solution
The fourth proportional to 1,296,854.44, 1,789,343.94 and 760,206.76 is: 1,048,900.57
Step by Step Solution
- Step 1: Write the proportion equation
1,296,854.44 : 1,789,343.94 = 760,206.76 : x - Step 2: Convert to fraction form
1,296,854.44/1,789,343.94 = 760,206.76/x - Step 3: Cross multiply
1,296,854.44x = 1,789,343.94 × 760,206.76 - Step 4: Simplify right side
1,296,854.44x = 1,360,271,359,153.03 - Step 5: Solve for x
x = 1,360,271,359,153.03/1,296,854.44 - Step 6: Final answer
x = 1,048,900.57
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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.