Finding the Fourth Proportional to 1,117,720.52, 1,539,516.06 and 859,102.92
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Solution
The fourth proportional to 1,117,720.52, 1,539,516.06 and 859,102.92 is: 1,183,303.62
Step by Step Solution
- Step 1: Write the proportion equation
1,117,720.52 : 1,539,516.06 = 859,102.92 : x - Step 2: Convert to fraction form
1,117,720.52/1,539,516.06 = 859,102.92/x - Step 3: Cross multiply
1,117,720.52x = 1,539,516.06 × 859,102.92 - Step 4: Simplify right side
1,117,720.52x = 1,322,602,742,532.90 - Step 5: Solve for x
x = 1,322,602,742,532.90/1,117,720.52 - Step 6: Final answer
x = 1,183,303.62
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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.