Finding the Fourth Proportional to 1,127,097.68, 1,552,780.68 and 787,027.28
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Solution
The fourth proportional to 1,127,097.68, 1,552,780.68 and 787,027.28 is: 1,084,272.27
Step by Step Solution
- Step 1: Write the proportion equation
1,127,097.68 : 1,552,780.68 = 787,027.28 : x - Step 2: Convert to fraction form
1,127,097.68/1,552,780.68 = 787,027.28/x - Step 3: Cross multiply
1,127,097.68x = 1,552,780.68 × 787,027.28 - Step 4: Simplify right side
1,127,097.68x = 1,222,080,755,016.95 - Step 5: Solve for x
x = 1,222,080,755,016.95/1,127,097.68 - Step 6: Final answer
x = 1,084,272.27
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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.