Finding the Fourth Proportional to 1,104,289.79, 1,523,963.90 and 620,853.44
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Solution
The fourth proportional to 1,104,289.79, 1,523,963.90 and 620,853.44 is: 856,802.48
Step by Step Solution
- Step 1: Write the proportion equation
1,104,289.79 : 1,523,963.90 = 620,853.44 : x - Step 2: Convert to fraction form
1,104,289.79/1,523,963.90 = 620,853.44/x - Step 3: Cross multiply
1,104,289.79x = 1,523,963.90 × 620,853.44 - Step 4: Simplify right side
1,104,289.79x = 946,158,226,646.55 - Step 5: Solve for x
x = 946,158,226,646.55/1,104,289.79 - Step 6: Final answer
x = 856,802.48
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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.