Finding the Fourth Proportional to 1,011,722.04, 1,395,225.95 and 754,169.99
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Solution
The fourth proportional to 1,011,722.04, 1,395,225.95 and 754,169.99 is: 1,040,046.07
Step by Step Solution
- Step 1: Write the proportion equation
1,011,722.04 : 1,395,225.95 = 754,169.99 : x - Step 2: Convert to fraction form
1,011,722.04/1,395,225.95 = 754,169.99/x - Step 3: Cross multiply
1,011,722.04x = 1,395,225.95 × 754,169.99 - Step 4: Simplify right side
1,011,722.04x = 1,052,237,530,012.26 - Step 5: Solve for x
x = 1,052,237,530,012.26/1,011,722.04 - Step 6: Final answer
x = 1,040,046.07
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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.