Finding the Fourth Proportional to 1,143,073.36, 1,576,718.22 and 734,472.90
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Solution
The fourth proportional to 1,143,073.36, 1,576,718.22 and 734,472.90 is: 1,013,108.03
Step by Step Solution
- Step 1: Write the proportion equation
1,143,073.36 : 1,576,718.22 = 734,472.90 : x - Step 2: Convert to fraction form
1,143,073.36/1,576,718.22 = 734,472.90/x - Step 3: Cross multiply
1,143,073.36x = 1,576,718.22 × 734,472.90 - Step 4: Simplify right side
1,143,073.36x = 1,158,056,803,526.24 - Step 5: Solve for x
x = 1,158,056,803,526.24/1,143,073.36 - Step 6: Final answer
x = 1,013,108.03
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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.