Finding the Fourth Proportional to 1,117,208.75, 1,541,513.97 and 708,830.24
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Solution
The fourth proportional to 1,117,208.75, 1,541,513.97 and 708,830.24 is: 978,037.20
Step by Step Solution
- Step 1: Write the proportion equation
1,117,208.75 : 1,541,513.97 = 708,830.24 : x - Step 2: Convert to fraction form
1,117,208.75/1,541,513.97 = 708,830.24/x - Step 3: Cross multiply
1,117,208.75x = 1,541,513.97 × 708,830.24 - Step 4: Simplify right side
1,117,208.75x = 1,092,671,709,610.88 - Step 5: Solve for x
x = 1,092,671,709,610.88/1,117,208.75 - Step 6: Final answer
x = 978,037.20
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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.