Finding the Fourth Proportional to 1,330,358.21, 1,835,896.05 and 757,398.35
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Solution
The fourth proportional to 1,330,358.21, 1,835,896.05 and 757,398.35 is: 1,045,210.70
Step by Step Solution
- Step 1: Write the proportion equation
1,330,358.21 : 1,835,896.05 = 757,398.35 : x - Step 2: Convert to fraction form
1,330,358.21/1,835,896.05 = 757,398.35/x - Step 3: Cross multiply
1,330,358.21x = 1,835,896.05 × 757,398.35 - Step 4: Simplify right side
1,330,358.21x = 1,390,504,639,041.52 - Step 5: Solve for x
x = 1,390,504,639,041.52/1,330,358.21 - Step 6: Final answer
x = 1,045,210.70
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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.