Finding the Fourth Proportional to 1,202,089.88, 1,803,193.14 and 991,343
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Solution
The fourth proportional to 1,202,089.88, 1,803,193.14 and 991,343 is: 1,487,062.60
Step by Step Solution
- Step 1: Write the proportion equation
1,202,089.88 : 1,803,193.14 = 991,343 : x - Step 2: Convert to fraction form
1,202,089.88/1,803,193.14 = 991,343/x - Step 3: Cross multiply
1,202,089.88x = 1,803,193.14 × 991,343 - Step 4: Simplify right side
1,202,089.88x = 1,787,582,896,987.02 - Step 5: Solve for x
x = 1,787,582,896,987.02/1,202,089.88 - Step 6: Final answer
x = 1,487,062.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.