Finding the Fourth Proportional to 1,104,386.44, 1,520,292.18 and 817,365.64
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Solution
The fourth proportional to 1,104,386.44, 1,520,292.18 and 817,365.64 is: 1,125,180.96
Step by Step Solution
- Step 1: Write the proportion equation
1,104,386.44 : 1,520,292.18 = 817,365.64 : x - Step 2: Convert to fraction form
1,104,386.44/1,520,292.18 = 817,365.64/x - Step 3: Cross multiply
1,104,386.44x = 1,520,292.18 × 817,365.64 - Step 4: Simplify right side
1,104,386.44x = 1,242,634,590,692.70 - Step 5: Solve for x
x = 1,242,634,590,692.70/1,104,386.44 - Step 6: Final answer
x = 1,125,180.96
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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.