Finding the Fourth Proportional to 1,239,678.05, 1,710,624.24 and 695,873.66
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Solution
The fourth proportional to 1,239,678.05, 1,710,624.24 and 695,873.66 is: 960,231.85
Step by Step Solution
- Step 1: Write the proportion equation
1,239,678.05 : 1,710,624.24 = 695,873.66 : x - Step 2: Convert to fraction form
1,239,678.05/1,710,624.24 = 695,873.66/x - Step 3: Cross multiply
1,239,678.05x = 1,710,624.24 × 695,873.66 - Step 4: Simplify right side
1,239,678.05x = 1,190,378,342,220.40 - Step 5: Solve for x
x = 1,190,378,342,220.40/1,239,678.05 - Step 6: Final answer
x = 960,231.85
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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.