Finding the Fourth Proportional to 1,236,565.08, 1,706,708.52 and 845,143.20
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Solution
The fourth proportional to 1,236,565.08, 1,706,708.52 and 845,143.20 is: 1,166,467.60
Step by Step Solution
- Step 1: Write the proportion equation
1,236,565.08 : 1,706,708.52 = 845,143.20 : x - Step 2: Convert to fraction form
1,236,565.08/1,706,708.52 = 845,143.20/x - Step 3: Cross multiply
1,236,565.08x = 1,706,708.52 × 845,143.20 - Step 4: Simplify right side
1,236,565.08x = 1,442,413,100,060.06 - Step 5: Solve for x
x = 1,442,413,100,060.06/1,236,565.08 - Step 6: Final answer
x = 1,166,467.60
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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.