Finding the Fourth Proportional to 1,291,029.77, 1,781,596.26 and 710,218.95
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Solution
The fourth proportional to 1,291,029.77, 1,781,596.26 and 710,218.95 is: 980,088.50
Step by Step Solution
- Step 1: Write the proportion equation
1,291,029.77 : 1,781,596.26 = 710,218.95 : x - Step 2: Convert to fraction form
1,291,029.77/1,781,596.26 = 710,218.95/x - Step 3: Cross multiply
1,291,029.77x = 1,781,596.26 × 710,218.95 - Step 4: Simplify right side
1,291,029.77x = 1,265,323,425,101.13 - Step 5: Solve for x
x = 1,265,323,425,101.13/1,291,029.77 - Step 6: Final answer
x = 980,088.50
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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.