Finding the Fourth Proportional to 1,130,817.24, 1,560,557.34 and 621,532.98
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Solution
The fourth proportional to 1,130,817.24, 1,560,557.34 and 621,532.98 is: 857,731.75
Step by Step Solution
- Step 1: Write the proportion equation
1,130,817.24 : 1,560,557.34 = 621,532.98 : x - Step 2: Convert to fraction form
1,130,817.24/1,560,557.34 = 621,532.98/x - Step 3: Cross multiply
1,130,817.24x = 1,560,557.34 × 621,532.98 - Step 4: Simplify right side
1,130,817.24x = 969,937,853,991.07 - Step 5: Solve for x
x = 969,937,853,991.07/1,130,817.24 - Step 6: Final answer
x = 857,731.75
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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.