Finding the Fourth Proportional to 1,173,750.68, 1,619,782.58 and 690,336.20
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Solution
The fourth proportional to 1,173,750.68, 1,619,782.58 and 690,336.20 is: 952,667.86
Step by Step Solution
- Step 1: Write the proportion equation
1,173,750.68 : 1,619,782.58 = 690,336.20 : x - Step 2: Convert to fraction form
1,173,750.68/1,619,782.58 = 690,336.20/x - Step 3: Cross multiply
1,173,750.68x = 1,619,782.58 × 690,336.20 - Step 4: Simplify right side
1,173,750.68x = 1,118,194,551,103.40 - Step 5: Solve for x
x = 1,118,194,551,103.40/1,173,750.68 - Step 6: Final answer
x = 952,667.86
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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.