Finding the Fourth Proportional to 1,050,985.92, 1,449,840.96 and 621,058.08
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Solution
The fourth proportional to 1,050,985.92, 1,449,840.96 and 621,058.08 is: 856,753.10
Step by Step Solution
- Step 1: Write the proportion equation
1,050,985.92 : 1,449,840.96 = 621,058.08 : x - Step 2: Convert to fraction form
1,050,985.92/1,449,840.96 = 621,058.08/x - Step 3: Cross multiply
1,050,985.92x = 1,449,840.96 × 621,058.08 - Step 4: Simplify right side
1,050,985.92x = 900,435,442,922.96 - Step 5: Solve for x
x = 900,435,442,922.96/1,050,985.92 - Step 6: Final answer
x = 856,753.10
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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.