Finding the Fourth Proportional to 1,174,147.80, 1,620,296.56 and 690,744.08
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Solution
The fourth proportional to 1,174,147.80, 1,620,296.56 and 690,744.08 is: 953,210.71
Step by Step Solution
- Step 1: Write the proportion equation
1,174,147.80 : 1,620,296.56 = 690,744.08 : x - Step 2: Convert to fraction form
1,174,147.80/1,620,296.56 = 690,744.08/x - Step 3: Cross multiply
1,174,147.80x = 1,620,296.56 × 690,744.08 - Step 4: Simplify right side
1,174,147.80x = 1,119,210,256,664.36 - Step 5: Solve for x
x = 1,119,210,256,664.36/1,174,147.80 - Step 6: Final answer
x = 953,210.71
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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.