Finding the Fourth Proportional to 1,215,848.08, 1,677,934.07 and 699,680.64
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Solution
The fourth proportional to 1,215,848.08, 1,677,934.07 and 699,680.64 is: 965,595.95
Step by Step Solution
- Step 1: Write the proportion equation
1,215,848.08 : 1,677,934.07 = 699,680.64 : x - Step 2: Convert to fraction form
1,215,848.08/1,677,934.07 = 699,680.64/x - Step 3: Cross multiply
1,215,848.08x = 1,677,934.07 × 699,680.64 - Step 4: Simplify right side
1,215,848.08x = 1,174,017,983,975.40 - Step 5: Solve for x
x = 1,174,017,983,975.40/1,215,848.08 - Step 6: Final answer
x = 965,595.95
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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.