Finding the Fourth Proportional to 1,122,244.88, 1,548,697.93 and 612,948.47
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Solution
The fourth proportional to 1,122,244.88, 1,548,697.93 and 612,948.47 is: 845,868.88
Step by Step Solution
- Step 1: Write the proportion equation
1,122,244.88 : 1,548,697.93 = 612,948.47 : x - Step 2: Convert to fraction form
1,122,244.88/1,548,697.93 = 612,948.47/x - Step 3: Cross multiply
1,122,244.88x = 1,548,697.93 × 612,948.47 - Step 4: Simplify right side
1,122,244.88x = 949,272,017,409.81 - Step 5: Solve for x
x = 949,272,017,409.81/1,122,244.88 - Step 6: Final answer
x = 845,868.88
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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.