Finding the Fourth Proportional to 1,134,319.19, 1,565,342.09 and 618,079.96
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Solution
The fourth proportional to 1,134,319.19, 1,565,342.09 and 618,079.96 is: 852,940.33
Step by Step Solution
- Step 1: Write the proportion equation
1,134,319.19 : 1,565,342.09 = 618,079.96 : x - Step 2: Convert to fraction form
1,134,319.19/1,565,342.09 = 618,079.96/x - Step 3: Cross multiply
1,134,319.19x = 1,565,342.09 × 618,079.96 - Step 4: Simplify right side
1,134,319.19x = 967,506,577,557.59 - Step 5: Solve for x
x = 967,506,577,557.59/1,134,319.19 - Step 6: Final answer
x = 852,940.33
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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.