Finding the Fourth Proportional to 1,240,122.84, 1,711,237.32 and 696,318
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Solution
The fourth proportional to 1,240,122.84, 1,711,237.32 and 696,318 is: 960,844.61
Step by Step Solution
- Step 1: Write the proportion equation
1,240,122.84 : 1,711,237.32 = 696,318 : x - Step 2: Convert to fraction form
1,240,122.84/1,711,237.32 = 696,318/x - Step 3: Cross multiply
1,240,122.84x = 1,711,237.32 × 696,318 - Step 4: Simplify right side
1,240,122.84x = 1,191,565,348,187.76 - Step 5: Solve for x
x = 1,191,565,348,187.76/1,240,122.84 - Step 6: Final answer
x = 960,844.61
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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.