Finding the Fourth Proportional to 1,268,886.08, 1,903,827.24 and 558,415.72
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Solution
The fourth proportional to 1,268,886.08, 1,903,827.24 and 558,415.72 is: 837,842.79
Step by Step Solution
- Step 1: Write the proportion equation
1,268,886.08 : 1,903,827.24 = 558,415.72 : x - Step 2: Convert to fraction form
1,268,886.08/1,903,827.24 = 558,415.72/x - Step 3: Cross multiply
1,268,886.08x = 1,903,827.24 × 558,415.72 - Step 4: Simplify right side
1,268,886.08x = 1,063,127,058,980.21 - Step 5: Solve for x
x = 1,063,127,058,980.21/1,268,886.08 - Step 6: Final answer
x = 837,842.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.