Finding the Fourth Proportional to 1,167,989.97, 1,611,448.74 and 651,660.15
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Solution
The fourth proportional to 1,167,989.97, 1,611,448.74 and 651,660.15 is: 899,080.43
Step by Step Solution
- Step 1: Write the proportion equation
1,167,989.97 : 1,611,448.74 = 651,660.15 : x - Step 2: Convert to fraction form
1,167,989.97/1,611,448.74 = 651,660.15/x - Step 3: Cross multiply
1,167,989.97x = 1,611,448.74 × 651,660.15 - Step 4: Simplify right side
1,167,989.97x = 1,050,116,927,625.71 - Step 5: Solve for x
x = 1,050,116,927,625.71/1,167,989.97 - Step 6: Final answer
x = 899,080.43
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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.