Finding the Fourth Proportional to 1,157,523.84, 1,597,393.98 and 641,288.70
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Solution
The fourth proportional to 1,157,523.84, 1,597,393.98 and 641,288.70 is: 884,984.54
Step by Step Solution
- Step 1: Write the proportion equation
1,157,523.84 : 1,597,393.98 = 641,288.70 : x - Step 2: Convert to fraction form
1,157,523.84/1,597,393.98 = 641,288.70/x - Step 3: Cross multiply
1,157,523.84x = 1,597,393.98 × 641,288.70 - Step 4: Simplify right side
1,157,523.84x = 1,024,390,708,822.03 - Step 5: Solve for x
x = 1,024,390,708,822.03/1,157,523.84 - Step 6: Final answer
x = 884,984.54
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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.