Finding the Fourth Proportional to 1,240,355.42, 1,711,202.00 and 716,720.03
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Solution
The fourth proportional to 1,240,355.42, 1,711,202.00 and 716,720.03 is: 988,791.38
Step by Step Solution
- Step 1: Write the proportion equation
1,240,355.42 : 1,711,202.00 = 716,720.03 : x - Step 2: Convert to fraction form
1,240,355.42/1,711,202.00 = 716,720.03/x - Step 3: Cross multiply
1,240,355.42x = 1,711,202.00 × 716,720.03 - Step 4: Simplify right side
1,240,355.42x = 1,226,452,743,053.46 - Step 5: Solve for x
x = 1,226,452,743,053.46/1,240,355.42 - Step 6: Final answer
x = 988,791.38
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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.