Finding the Fourth Proportional to 889,716.10, 1,334,574.15 and 881,421.70
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Solution
The fourth proportional to 889,716.10, 1,334,574.15 and 881,421.70 is: 1,322,132.55
Step by Step Solution
- Step 1: Write the proportion equation
889,716.10 : 1,334,574.15 = 881,421.70 : x - Step 2: Convert to fraction form
889,716.10/1,334,574.15 = 881,421.70/x - Step 3: Cross multiply
889,716.10x = 1,334,574.15 × 881,421.70 - Step 4: Simplify right side
889,716.10x = 1,176,322,616,069.06 - Step 5: Solve for x
x = 1,176,322,616,069.06/889,716.10 - Step 6: Final answer
x = 1,322,132.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.