Finding the Fourth Proportional to 1,118,239.08, 1,543,129.41 and 683,383.95
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Solution
The fourth proportional to 1,118,239.08, 1,543,129.41 and 683,383.95 is: 943,045.09
Step by Step Solution
- Step 1: Write the proportion equation
1,118,239.08 : 1,543,129.41 = 683,383.95 : x - Step 2: Convert to fraction form
1,118,239.08/1,543,129.41 = 683,383.95/x - Step 3: Cross multiply
1,118,239.08x = 1,543,129.41 × 683,383.95 - Step 4: Simplify right side
1,118,239.08x = 1,054,549,871,566.97 - Step 5: Solve for x
x = 1,054,549,871,566.97/1,118,239.08 - Step 6: Final answer
x = 943,045.09
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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.