Finding the Fourth Proportional to 1,503,739.18, 2,075,270.05 and 859,145.53
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Solution
The fourth proportional to 1,503,739.18, 2,075,270.05 and 859,145.53 is: 1,185,683.67
Step by Step Solution
- Step 1: Write the proportion equation
1,503,739.18 : 2,075,270.05 = 859,145.53 : x - Step 2: Convert to fraction form
1,503,739.18/2,075,270.05 = 859,145.53/x - Step 3: Cross multiply
1,503,739.18x = 2,075,270.05 × 859,145.53 - Step 4: Simplify right side
1,503,739.18x = 1,782,958,987,000.38 - Step 5: Solve for x
x = 1,782,958,987,000.38/1,503,739.18 - Step 6: Final answer
x = 1,185,683.67
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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.