Finding the Fourth Proportional to 1,129,448.02, 1,558,663.41 and 620,152.42
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Solution
The fourth proportional to 1,129,448.02, 1,558,663.41 and 620,152.42 is: 855,824.14
Step by Step Solution
- Step 1: Write the proportion equation
1,129,448.02 : 1,558,663.41 = 620,152.42 : x - Step 2: Convert to fraction form
1,129,448.02/1,558,663.41 = 620,152.42/x - Step 3: Cross multiply
1,129,448.02x = 1,558,663.41 × 620,152.42 - Step 4: Simplify right side
1,129,448.02x = 966,608,885,676.95 - Step 5: Solve for x
x = 966,608,885,676.95/1,129,448.02 - Step 6: Final answer
x = 855,824.14
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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.