Finding the Fourth Proportional to 1,271,599.71, 1,754,312.30 and 720,188.67
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Solution
The fourth proportional to 1,271,599.71, 1,754,312.30 and 720,188.67 is: 993,579.84
Step by Step Solution
- Step 1: Write the proportion equation
1,271,599.71 : 1,754,312.30 = 720,188.67 : x - Step 2: Convert to fraction form
1,271,599.71/1,754,312.30 = 720,188.67/x - Step 3: Cross multiply
1,271,599.71x = 1,754,312.30 × 720,188.67 - Step 4: Simplify right side
1,271,599.71x = 1,263,435,839,937.60 - Step 5: Solve for x
x = 1,263,435,839,937.60/1,271,599.71 - Step 6: Final answer
x = 993,579.84
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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.