Finding the Fourth Proportional to 1,120,824.64, 1,544,931.08 and 758,116.14
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Solution
The fourth proportional to 1,120,824.64, 1,544,931.08 and 758,116.14 is: 1,044,978.09
Step by Step Solution
- Step 1: Write the proportion equation
1,120,824.64 : 1,544,931.08 = 758,116.14 : x - Step 2: Convert to fraction form
1,120,824.64/1,544,931.08 = 758,116.14/x - Step 3: Cross multiply
1,120,824.64x = 1,544,931.08 × 758,116.14 - Step 4: Simplify right side
1,120,824.64x = 1,171,237,186,935.63 - Step 5: Solve for x
x = 1,171,237,186,935.63/1,120,824.64 - Step 6: Final answer
x = 1,044,978.09
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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.