Finding the Fourth Proportional to 1,159,115.84, 1,599,656.64 and 649,851.20
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Solution
The fourth proportional to 1,159,115.84, 1,599,656.64 and 649,851.20 is: 896,837.70
Step by Step Solution
- Step 1: Write the proportion equation
1,159,115.84 : 1,599,656.64 = 649,851.20 : x - Step 2: Convert to fraction form
1,159,115.84/1,599,656.64 = 649,851.20/x - Step 3: Cross multiply
1,159,115.84x = 1,599,656.64 × 649,851.20 - Step 4: Simplify right side
1,159,115.84x = 1,039,538,787,091.97 - Step 5: Solve for x
x = 1,039,538,787,091.97/1,159,115.84 - Step 6: Final answer
x = 896,837.70
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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.