Finding the Fourth Proportional to 1,124,038.50, 1,551,174.35 and 614,742.09
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Solution
The fourth proportional to 1,124,038.50, 1,551,174.35 and 614,742.09 is: 848,344.75
Step by Step Solution
- Step 1: Write the proportion equation
1,124,038.50 : 1,551,174.35 = 614,742.09 : x - Step 2: Convert to fraction form
1,124,038.50/1,551,174.35 = 614,742.09/x - Step 3: Cross multiply
1,124,038.50x = 1,551,174.35 × 614,742.09 - Step 4: Simplify right side
1,124,038.50x = 953,572,158,799.68 - Step 5: Solve for x
x = 953,572,158,799.68/1,124,038.50 - Step 6: Final answer
x = 848,344.75
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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.