Finding the Fourth Proportional to 1,185,130.89, 1,635,468.36 and 641,254.68
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Solution
The fourth proportional to 1,185,130.89, 1,635,468.36 and 641,254.68 is: 884,924.82
Step by Step Solution
- Step 1: Write the proportion equation
1,185,130.89 : 1,635,468.36 = 641,254.68 : x - Step 2: Convert to fraction form
1,185,130.89/1,635,468.36 = 641,254.68/x - Step 3: Cross multiply
1,185,130.89x = 1,635,468.36 × 641,254.68 - Step 4: Simplify right side
1,185,130.89x = 1,048,751,739,841.93 - Step 5: Solve for x
x = 1,048,751,739,841.93/1,185,130.89 - Step 6: Final answer
x = 884,924.82
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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.