Finding the Fourth Proportional to 1,160,271.30, 1,601,149.58 and 643,995.09
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Solution
The fourth proportional to 1,160,271.30, 1,601,149.58 and 643,995.09 is: 888,699.45
Step by Step Solution
- Step 1: Write the proportion equation
1,160,271.30 : 1,601,149.58 = 643,995.09 : x - Step 2: Convert to fraction form
1,160,271.30/1,601,149.58 = 643,995.09/x - Step 3: Cross multiply
1,160,271.30x = 1,601,149.58 × 643,995.09 - Step 4: Simplify right side
1,160,271.30x = 1,031,132,467,070.57 - Step 5: Solve for x
x = 1,031,132,467,070.57/1,160,271.30 - Step 6: Final answer
x = 888,699.45
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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.