Finding the Fourth Proportional to 1,240,508.64, 1,711,940.20 and 696,656.08
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Solution
The fourth proportional to 1,240,508.64, 1,711,940.20 and 696,656.08 is: 961,406.88
Step by Step Solution
- Step 1: Write the proportion equation
1,240,508.64 : 1,711,940.20 = 696,656.08 : x - Step 2: Convert to fraction form
1,240,508.64/1,711,940.20 = 696,656.08/x - Step 3: Cross multiply
1,240,508.64x = 1,711,940.20 × 696,656.08 - Step 4: Simplify right side
1,240,508.64x = 1,192,633,547,147.96 - Step 5: Solve for x
x = 1,192,633,547,147.96/1,240,508.64 - Step 6: Final answer
x = 961,406.88
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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.