Finding the Fourth Proportional to 1,115,357.88, 1,539,203.61 and 606,060.24
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Solution
The fourth proportional to 1,115,357.88, 1,539,203.61 and 606,060.24 is: 836,368.42
Step by Step Solution
- Step 1: Write the proportion equation
1,115,357.88 : 1,539,203.61 = 606,060.24 : x - Step 2: Convert to fraction form
1,115,357.88/1,539,203.61 = 606,060.24/x - Step 3: Cross multiply
1,115,357.88x = 1,539,203.61 × 606,060.24 - Step 4: Simplify right side
1,115,357.88x = 932,850,109,285.47 - Step 5: Solve for x
x = 932,850,109,285.47/1,115,357.88 - Step 6: Final answer
x = 836,368.42
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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.