Finding the Fourth Proportional to 1,110,990.87, 1,533,828.14 and 703,442.06
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Solution
The fourth proportional to 1,110,990.87, 1,533,828.14 and 703,442.06 is: 971,168.39
Step by Step Solution
- Step 1: Write the proportion equation
1,110,990.87 : 1,533,828.14 = 703,442.06 : x - Step 2: Convert to fraction form
1,110,990.87/1,533,828.14 = 703,442.06/x - Step 3: Cross multiply
1,110,990.87x = 1,533,828.14 × 703,442.06 - Step 4: Simplify right side
1,110,990.87x = 1,078,959,220,544.78 - Step 5: Solve for x
x = 1,078,959,220,544.78/1,110,990.87 - Step 6: Final answer
x = 971,168.39
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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.