Finding the Fourth Proportional to 1,185,135.48, 1,635,475.14 and 641,259.36
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Solution
The fourth proportional to 1,185,135.48, 1,635,475.14 and 641,259.36 is: 884,931.52
Step by Step Solution
- Step 1: Write the proportion equation
1,185,135.48 : 1,635,475.14 = 641,259.36 : x - Step 2: Convert to fraction form
1,185,135.48/1,635,475.14 = 641,259.36/x - Step 3: Cross multiply
1,185,135.48x = 1,635,475.14 × 641,259.36 - Step 4: Simplify right side
1,185,135.48x = 1,048,763,741,572.31 - Step 5: Solve for x
x = 1,048,763,741,572.31/1,185,135.48 - Step 6: Final answer
x = 884,931.52
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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.