Finding the Fourth Proportional to 1,307,313.06, 1,804,288.41 and 798,309.06
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Solution
The fourth proportional to 1,307,313.06, 1,804,288.41 and 798,309.06 is: 1,101,786.43
Step by Step Solution
- Step 1: Write the proportion equation
1,307,313.06 : 1,804,288.41 = 798,309.06 : x - Step 2: Convert to fraction form
1,307,313.06/1,804,288.41 = 798,309.06/x - Step 3: Cross multiply
1,307,313.06x = 1,804,288.41 × 798,309.06 - Step 4: Simplify right side
1,307,313.06x = 1,440,379,784,555.99 - Step 5: Solve for x
x = 1,440,379,784,555.99/1,307,313.06 - Step 6: Final answer
x = 1,101,786.43
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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.