Finding the Fourth Proportional to 1,128,259.63, 1,691,503.35 and 772,194.16
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Solution
The fourth proportional to 1,128,259.63, 1,691,503.35 and 772,194.16 is: 1,157,684.79
Step by Step Solution
- Step 1: Write the proportion equation
1,128,259.63 : 1,691,503.35 = 772,194.16 : x - Step 2: Convert to fraction form
1,128,259.63/1,691,503.35 = 772,194.16/x - Step 3: Cross multiply
1,128,259.63x = 1,691,503.35 × 772,194.16 - Step 4: Simplify right side
1,128,259.63x = 1,306,169,008,490.44 - Step 5: Solve for x
x = 1,306,169,008,490.44/1,128,259.63 - Step 6: Final answer
x = 1,157,684.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.