Finding the Fourth Proportional to 1,240,359.24, 1,711,590.66 and 750,511.20
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Solution
The fourth proportional to 1,240,359.24, 1,711,590.66 and 750,511.20 is: 1,035,641.87
Step by Step Solution
- Step 1: Write the proportion equation
1,240,359.24 : 1,711,590.66 = 750,511.20 : x - Step 2: Convert to fraction form
1,240,359.24/1,711,590.66 = 750,511.20/x - Step 3: Cross multiply
1,240,359.24x = 1,711,590.66 × 750,511.20 - Step 4: Simplify right side
1,240,359.24x = 1,284,567,960,145.39 - Step 5: Solve for x
x = 1,284,567,960,145.39/1,240,359.24 - Step 6: Final answer
x = 1,035,641.87
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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.