Finding the Fourth Proportional to 1,185,132.96, 1,635,471.18 and 641,256.74
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Solution
The fourth proportional to 1,185,132.96, 1,635,471.18 and 641,256.74 is: 884,927.64
Step by Step Solution
- Step 1: Write the proportion equation
1,185,132.96 : 1,635,471.18 = 641,256.74 : x - Step 2: Convert to fraction form
1,185,132.96/1,635,471.18 = 641,256.74/x - Step 3: Cross multiply
1,185,132.96x = 1,635,471.18 × 641,256.74 - Step 4: Simplify right side
1,185,132.96x = 1,048,756,909,073.40 - Step 5: Solve for x
x = 1,048,756,909,073.40/1,185,132.96 - Step 6: Final answer
x = 884,927.64
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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.