Finding the Fourth Proportional to 1,130,709.57, 1,560,742.86 and 723,907.07
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Solution
The fourth proportional to 1,130,709.57, 1,560,742.86 and 723,907.07 is: 999,224.58
Step by Step Solution
- Step 1: Write the proportion equation
1,130,709.57 : 1,560,742.86 = 723,907.07 : x - Step 2: Convert to fraction form
1,130,709.57/1,560,742.86 = 723,907.07/x - Step 3: Cross multiply
1,130,709.57x = 1,560,742.86 × 723,907.07 - Step 4: Simplify right side
1,130,709.57x = 1,129,832,794,707.88 - Step 5: Solve for x
x = 1,129,832,794,707.88/1,130,709.57 - Step 6: Final answer
x = 999,224.58
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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.