Finding the Fourth Proportional to 1,104,925.05, 1,524,781.26 and 621,490.52
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Solution
The fourth proportional to 1,104,925.05, 1,524,781.26 and 621,490.52 is: 857,648.31
Step by Step Solution
- Step 1: Write the proportion equation
1,104,925.05 : 1,524,781.26 = 621,490.52 : x - Step 2: Convert to fraction form
1,104,925.05/1,524,781.26 = 621,490.52/x - Step 3: Cross multiply
1,104,925.05x = 1,524,781.26 × 621,490.52 - Step 4: Simplify right side
1,104,925.05x = 947,637,101,975.61 - Step 5: Solve for x
x = 947,637,101,975.61/1,104,925.05 - Step 6: Final answer
x = 857,648.31
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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.