Finding the Fourth Proportional to 1,046,634.66, 1,444,580.91 and 638,649.09
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Solution
The fourth proportional to 1,046,634.66, 1,444,580.91 and 638,649.09 is: 881,473.09
Step by Step Solution
- Step 1: Write the proportion equation
1,046,634.66 : 1,444,580.91 = 638,649.09 : x - Step 2: Convert to fraction form
1,046,634.66/1,444,580.91 = 638,649.09/x - Step 3: Cross multiply
1,046,634.66x = 1,444,580.91 × 638,649.09 - Step 4: Simplify right side
1,046,634.66x = 922,580,283,602.87 - Step 5: Solve for x
x = 922,580,283,602.87/1,046,634.66 - Step 6: Final answer
x = 881,473.09
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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.